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What Causes Diarrhea: Ayurvedic Insights, Types, and Treatments
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Published on 05/21/25
(Updated on 07/25/25)
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What Causes Diarrhea: Ayurvedic Insights, Types, and Treatments

Written by
Dr. Ayush Varma
All India Institute of Medical Sciences (AIIMS)
Graduating with an MD in Ayurvedic Medicine from the All India Institute of Medical Sciences (AIIMS) in 2008, he brings over 15 years of expertise in integrative healthcare. Specializing in complex chronic conditions, including autoimmune disorders, metabolic syndromes, and digestive health, he uses a patient-centered approach that focuses on root causes. Certified in Panchakarma Therapy and Rasayana (rejuvenation), he is known for combining traditional Ayurvedic practices with modern diagnostics. Actively involved in research, he has contributed to studies on Ayurveda’s role in managing diabetes, stress, and immunity. A sought-after speaker at wellness conferences, he practices at a reputable Ayurvedic wellness center, dedicated to advancing Ayurveda’s role in holistic health and preventive care.
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Let’s be honest for a second: diarrhea is annoying.
Not the most glamorous topic, sure, but nearly everyone’s had a run-in with it. Maybe it hit after street food in Delhi. Maybe it was stress before a big exam. Or maybe it just… showed up one morning, uninvited. Diarrhea doesn’t discriminate — and when it strikes, it can derail your entire day, sometimes your entire week.

So, what causes diarrhea? Why does it sometimes show up yellow, green, or even black? And how does Ayurveda — that ancient, quietly profound system of healing — understand and treat it? We’re going to dig into that here, with practical info, some personal reflections, and a dose of ancient wisdom.

Whether you’ve had sudden watery diarrhea or you've been wondering why your stool’s been orange (yeah, that happens), this guide will walk you through real answers — and real relief.
Let’s start simple.

What Is Diarrhea?

Diarrhea is more than just frequent trips to the bathroom. It’s your gut’s way of saying, “Hey! Something’s off!” In Western terms, it usually means loose or watery stools occurring more than three times in a day. Sometimes it’s explosive diarrhea — loud, urgent, and exhausting. Other times, it’s a slow trickle of discomfort that lingers for days.

But Ayurveda doesn’t just look at the poop. It looks at the person. The energy. The patterns.

In Ayurvedic language, diarrhea — known as Atisara — is a symptom of digestive fire (Agni) going out of balance. When the body can't digest properly, the system flushes out undigested material. It's a protective act. But also a sign that something deeper needs attention.

What Causes Diarrhea?

Ah, the golden question. What causes diarrhea? (You’ll hear me say that a few more times — it’s an important one.)

Infection, Diet, and Emotional Triggers

We tend to think of bad food or viruses first — and sure, that’s part of it. Contaminated water, poor hygiene, even antibiotic overuse can throw your gut into chaos. These are physical, external causes of diarrhea. And they’re important.

But here’s the thing: your mind plays a role too.

I once had a bout of sudden watery diarrhea the morning of a job interview. No bad food. No virus. Just a whole lot of anxiety. Ayurveda acknowledges this connection. Strong emotions — fear, anger, grief — can unseat your digestion as fast as a bad shrimp curry can.

Even healthy foods can cause trouble. Raw vegetables in excess? Cold smoothies in winter? They might work against your Agni, especially if your constitution (Prakriti) leans Vata or Pitta.

Dosha Imbalances (Primarily Vata and Pitta)

Now here’s where it gets deeper — and more nuanced.

Ayurveda recognizes three primary doshas: Vata, Pitta, and Kapha. Diarrhea often arises when Vata (linked to movement and dryness) or Pitta (linked to heat and transformation) go out of balance.

  • Vata-type diarrhea tends to be sudden, unpredictable, with lots of gas and cramping. It's like the wind: all over the place.

  • Pitta-type diarrhea is more intense, burning, urgent. It might be yellow diarrhea, even green diarrhea at times, with a sour smell. It can be tied to heat, stress, spicy food.

Black diarrhea? That could indicate bleeding and is more serious — not just a dosha issue, but a red flag worth medical attention.

We’ll go into these types more soon, but the key idea here is this: Ayurveda doesn’t just ask what caused the diarrhea, but why your system responded this way. That’s where the healing begins.

Types of Diarrhea and What They Indicate

Okay, let’s get specific — because not all diarrhea is the same. Sometimes it’s yellow, sometimes it’s green. Occasionally it’s black or even orange (yeah, really). Ayurveda encourages us to observe rather than ignore. Your stool is a message. Unpleasant? Maybe. Useful? Absolutely.

Yellow, Green, Black, and Orange Diarrhea

Yellow diarrhea often points to excess Pitta — your body's inner heat turned up too high. It might follow spicy food, alcohol, or intense emotional stress. The yellowish hue usually comes from bile passing through too quickly. I’ve seen it crop up after too many chilies or even long bouts of anger — it's like your gut says, “We’re burning out.”

Green diarrhea can mean food is moving through too fast, before bile is fully broken down. But it’s also common after eating lots of leafy greens or taking iron supplements. From an Ayurvedic lens, it may still signal Pitta or even a bit of Kapha-Vata confusion — sluggish digestion with erratic movement.

Black diarrhea is different. It’s potentially serious. This might mean bleeding in the upper GI tract — like the stomach or small intestine. It can be caused by certain medications too (like iron or Pepto-Bismol), but if it’s sticky and tar-like, go see a doctor. No herbs, no teas — just get checked.

Orange diarrhea? Odd but possible. Sometimes caused by foods like carrots, turmeric, or too many supplements. Or it might point to liver and gallbladder issues. Ayurveda would say there’s a disturbance in bile flow — your inner fire is off-kilter, especially in the liver zone.

The takeaway? Color matters. It tells you what’s happening inside without having to poke and prod. And once you start noticing, patterns emerge.

Watery and Explosive Diarrhea

We’ve all had it: sudden watery diarrhea that sends you sprinting. It's exhausting, a bit scary, and deeply uncomfortable. In Ayurveda, this is usually a Vata imbalance, especially if it’s paired with gas, gurgling, and that sense of “this came out of nowhere.”

Explosive diarrhea, on the other hand, is often linked with excess Pitta — intense, frequent, burning. It’s the kind that comes in waves and leaves you sweating and drained. There may even be mucus, suggesting the body's in a rush to purge heat and toxins.

Western medicine looks for infection, parasites, or intolerances — which is valid and useful. But Ayurveda zooms out: why is your system choosing this method to clean house? What’s thrown your digestion off its center?

How to Stop Diarrhea Fast with Ayurvedic Remedies

So, what stops diarrhea fast naturally? Let’s get to the good stuff — the remedies that can calm your gut and restore balance without slamming your system with harsh meds.

What Stops Diarrhea Fast Naturally

First, stop eating raw and cold foods. Give your digestion a break. Sip warm water or ginger tea. Light soups made with rice water or moong dal are your best friends. Old-school? Yes. But incredibly effective.

Some people swear by nutmeg powder with a little ghee, taken once or twice a day. Others use a bit of roasted fennel, cumin, and ajwain seeds — chewed or brewed into tea.

Bananas, especially slightly underripe ones, can help too. They’re astringent and soothing. Think of them as nature’s gentle plug.

And most importantly? Rest. Diarrhea is your body’s cry for a pause. Don’t push through. Listen.

Ayurvedic Herbs and Formulations (e.g., Kutaja, Bilva)

If you've ever sat with an Ayurvedic practitioner while describing your digestion, you’ll know — they listen. Like, really listen. Not just “what did you eat,” but “how did it feel,” “what was going on emotionally,” even “what was the weather like that day?” And when it comes to diarrhea treatment, they don’t reach for a one-size-fits-all pill. They reach for the herbs.

Two classics in Ayurveda for diarrhea:

  • Kutaja (Holarrhena antidysenterica): This is the go-to for many gut issues, especially chronic diarrhea, dysentery, and parasitic infections. It’s bitter, cooling, and deeply cleansing for the intestines. Some formulations even include it as a powder or in decoctions like Kutajarishta.

  • Bilva (Bael fruit): If you’ve ever had bael sherbet in India, you’ll understand why this fruit is revered. Ripe bilva is soothing and binding — ideal for watery diarrhea. Unripe bilva, on the other hand, is more astringent and drying — perfect for Vata-type looseness. It’s grounding. It’s steady. It works.

Other herbs you might encounter:

  • Nagarmotha (Cyperus rotundus) – regulates digestion.

  • Mustaka – particularly balancing for Pitta issues.

  • Lodhra – helpful for mucus in the stool.

Of course, these aren’t casual supplements. They need to be taken in the right form, at the right dose, and ideally under the care of an Ayurvedic expert.

Diet and Lifestyle Advice for Recovery and Prevention of Diarrhea

This part is where we really take care of your gut — not just reactively, but long-term.

Best Foods During and After Diarrhea

Here’s what saved me during a three-day gut spiral in Kerala (bad street food, gorgeous view, no regrets):

  • Rice water (called kanji in the South) with a pinch of salt

  • Moong dal soup – light, protein-rich, and gut-happy

  • Stewed apples with a little cinnamon

  • Plain bananas, especially the Kerala variety if you can get them

Avoid dairy, fried stuff, caffeine, and raw vegetables. They all make your gut work harder — and that’s the last thing it needs right now.

As you recover, introduce ghee. Just a teaspoon on warm rice can re-lubricate the intestines. Then slowly return to your usual diet — not all at once, not with celebration biryani.

Daily Routines to Support Gut Balance

In Ayurveda, healing happens through rhythm.

  • Wake up early, before sunrise. It regulates Vata.

  • Sip warm water throughout the day, especially in the morning.

  • Eat at consistent times. Don’t skip meals. Don’t eat late.

  • Add gentle movement — even just a 15-minute walk after lunch helps digestion.

And please — chew your food. Proper digestion begins in the mouth, and most of us are gulping down half-chewed bites while scrolling. I’m guilty too.

Conclusion

Let’s come back to where we started. Diarrhea isn’t just an inconvenience. It’s your body waving a flag, asking for balance. And while diarrhea causes range from infections to anxiety to overindulgent dinners, the deeper solution often lies in listening — to your gut, your energy, your life rhythms.

Ayurveda doesn’t offer quick fixes. It offers lasting realignment. A gentler, wiser approach to diarrhea treatment that sees you as more than a set of symptoms.

So whether it’s green diarrhea after a spinach smoothie binge, sudden watery diarrhea before a big decision, or that stubborn, slow leak of gut fatigue — don’t panic. Don’t suppress. Observe. Nourish. Heal.

And hey, maybe keep a little Kutaja on hand. Just in case.

FAQs

What to eat when you have diarrhea?
Stick to soft, warm, cooked foods. Rice water, moong dal soup, stewed apples, and bananas are ideal. Avoid raw, spicy, or fried items.

How long does diarrhea last?
Acute diarrhea usually clears up in 1–3 days. If it lasts longer or recurs often, consult a practitioner.

Is diarrhea a sign of pregnancy?
Sometimes. Hormonal shifts can affect digestion early in pregnancy. But it’s not a definitive sign on its own.

Which foods help restore digestion after diarrhea?
Ghee, soft-cooked rice, lightly spiced moong dal, boiled carrots, and ginger tea can all help bring digestion back to balance.

 

This article is checked by the current qualified Dr Sujal Patil and can be considered a reliable source of information for users of the site.

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Questions from users
What are some effective Ayurvedic practices for managing stress-related diarrhea?
Grace
52 days ago
For stress-related diarrhea, focusing on calming Vata and Pitta doshas can really help. Try drinking warm ginger or chamomile tea to soothe your digestion. Avoid cold foods and try warm, easily digestible meals like rice with a little ghee. Also, practice deep breathing or meditation to help balance the stress. Taking herbs like Kutaja or Bilva, under guidance, can also be beneficial. Always listen to what your body needs, right? 😊
How can I tell if my gut issues are due to food or just stress?
Hailey
37 days ago
Figuring out whether it's food or stress can be tricky! A good starting point is noticing if certain foods consistently bother you or if your symptoms flare up during stressful times. Ayurveda suggests observing your digestion and elimination patterns—keeping a simple food and mood journal might help you spot triggers. If it persists, reaching out to a practitioner could provide more personalized insight. 😊
What are some other natural remedies for diarrhea besides bilva and Kutaja?
Aaliyah
32 days ago
For diarrhea, you could also try fennel seeds or a light cumin-coriander-fennel tea to balance digestion. Ashwagandha and pomegranate juice might help too. Stay hydrated with coconut water. Listen to your body: gentle, grounding foods work wonders when healing, think soft-cooked rice and soups. Keep things simple with this!
What are some examples of Ayurvedic herbs that can help with digestion issues?
Violet
27 days ago
Sure! For digestion issues, Ayurveda often suggests herbs like Ginger, Triphala, and Ajwain. Ginger can boost your agni (digestive fire), Triphala helps cleanse and balance, while Ajwain aids with gas and bloating. Just keep in mind, it's good to consider your dosha and check with a practitioner too!
What does it mean if I have yellow diarrhea consistently for a few days? Should I be worried?
Evelyn
22 days ago
Yellow diarrhea for a few days may be due to how your body's processing food, maybe a quick push through your system, heat or toxins. If it persists, it's worth consulting a healthcare provider to rule out any serious issues like liver problems or infections. Meanwhile, keeping your diets simple with light soups like moong dal might help. Hope it clears up soon!
What are some practical ways to use Ayurveda for digestive issues like diarrhea?
Penelope
17 days ago
For digestive issues like diarrhea, Ayurveda suggests a few practical ways. Try having light foods like rice water, moong dal soup, or stewed apples, they are soothing n easy to digest. You might want to try herbs like Kutaja or Bilva, which can help with balance, n reducing the frequency. Also, stay hydrated but keep drinking boiled n cooled water. If issues persist, best to check with an ayurvedic practitioner.
What are some effective ways to nourish your body after experiencing digestive issues like diarrhea?
Thomas
12 days ago
Ah, after diarrhea, your digestive fire (Agni) can be weak, so it's important to gently nourish your system. Start with simple, easily digestible foods like warm rice congee or moong dal soup — both are soothing and support digestion. Sipping on ginger tea could also help balance and calm Vata and Pitta doshas. Also, staying hydrated is key, but avoid super cold drinks!
What are some good morning habits to improve digestion based on the article's suggestions?
Joshua
7 days ago
Dr. Ayush Varma
6 days ago
Try starting your day with a glass of warm water to ignite your agni, or digestive fire. A gentle morning yoga session or light breathing exercises can also be beneficial. And if you can, avoid cold or heavy breakfasts to keep your digestion smooth. Go gentle with spices and oils too to keep things balanced.
What are some specific Ayurvedic remedies I can try at home for sudden diarrhea?
Audrey
2 days ago
Dr. Ayush Varma
1 day ago
For sudden diarrhea, you might try a few Ayurvedic tricks. Bilva fruit is great—try it in a sherbet form or just small pieces. Roasted cumin and fennel seeds can also be chewed or made into a comforting tea. A little bananas, especially if they're a bit green, can also be supportive. Always listen to your body! 🌿
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