• Published on: Dec 26, 2021
  • 3 minute read
  • By: Second Medic Expert

Diarrhea Treatment, Symptoms, Causes, Prevention ?

  • WhatsApp share link icon
  • copy & share link icon
  • twitter share link icon
  • facebook share link icon

First, it is important to distinguish between infantile and non-infantile diarrhea. The first type of diarrhea usually starts as an infection in the intestines and ends as a short illness, typically with weight loss and other symptoms not typical of food poisoning such as fever and bloody stools. The other type refers to gastroenteritis which presents itself with stomach cramps or pain, nausea, vomiting, fatigue or low energy levels and general sense of unwellness.

How to treat diarrhea:

  • First and foremost, drink lots of fluids (water!). It is also very important to stay hydrated in order to prevent further dehydration . If your doctor recommends it, you can take medication such as rehydration salts or ZP12 for this 
  • Stay away from spicy food 
  • Eat small portions and eat more frequently than usual  -Remember, if you feel better after eating a certain food then you should continue eating that kind of food! It might be helpful to try out different foods until you find what works best for your system. This way the cycle doesn't continue and just becomes worse. 

Diarrhea is caused by an infection, food poisoning or water-borne illness.
Diarrhea doesn't usually occur without other symptoms; however, some people experience diarrhea as their first sign of an intestinal disorder such as irritable bowel syndrome or celiac disease.

In most cases of diarrhea, there's no way to avoid it because the cause isn't known. However, certain preventive measures include avoiding contact with people who have infections and washing your hands thoroughly after using a public restroom. In addition, you should wash good kitchen utensils before preparing foods that might have been contaminated with bacteria from raw meat or seafood products that didn't go through a kill step.


Diarrhea is a common sign of a number of different bacterial, viral and parasitic infections. The most common kinds are food poisoning from E. coli or Salmonella contamination, traveller's diarrhea from eating dirty salads and drinks, cyclospora infection from eating infected fruits and vegetables - often in South East Asia where outbreaks have been well recognised among backpackers - the rotavirus transmitted by children excreting it to each other during playtime or daycare.

The treatment for diarrhoea is usually supportive care with replenishing fluids lost due to vomiting and premature toilet use. Antibiotics can be prescribed to cover possible bacterial causes but they will not help viruses or parasites.

Diarrhea is a symptom, not an illness. If the diarrhea lasts for more than a few days symtpoms worsen and complications can develop. There are many possible causes including virus, bacteria, food poisoning as well as thyroid disorders and other endocrine diseases that result in diarrhea.


Symptoms of Diarrhea 

  • Infection from bacteria or viruses 

  • Infection from parasites 

  • Deficient intake of fluids or foreign substances in stool 

  • Fecal impaction (feces harden inside the rectum) 
  • Systemic bacterial infection due to incompetent immune system, typically found

A healthy adult's body has a certain level of "bacteria", and when the balance between good things you take in, and bad things that happen to your body is out of whack, then you'll experience diarrhea. Probiotic supplements may also help.
Maintaining a Normal Balance- Eat fruits and vegetables to get nutrients from a wide variety of sources. Avoid sugar while your stomach is healing because it often causes gas, bloating, or constipation if eaten within hours after taking Imodium Acids or Kaopectate . Drink enough fluids to keep well hydrated without drinking too many liquids towards the end which may cause an overdose.

There are some things you can do to help deal with diarrhea if it's due to a virus. Drink plenty of fluids, take some over-the-counter anti nausea, and replace electrolytes with a little more sugar or water that the body is going to expel anyway. If drinking liquids isn't something you can handle, talk to a doctor about giving an IV solution of sugar and water as well as magnesium sulfate for cramping.

If your diarrhea is caused by an antibiotic or another chemical make sure you contact your physician immediately! You may want to wait 24 hours from the last dose before taking any medicine for this stomach ache symptom though.
It is essential to have a good source of fluids, so it's important to drink plenty of fluids in order to stay hydrated. This includes water and also other liquids, such as non-carbonated fruit beverage, ginger ale, apple juice without added sugar or artificial sweeteners. Options might include wearing loose-fitting clothing and taking an over the counter medication like Immodium or Loperamide for diarrhea relief.

You should contact the doctor if you are sick with diarrhea for longer than 3 days regardless of age because this could be serious. It is also advised that you do not eat any more uncooked food if your stomach has been upset by these foods in the past.

Diarrhea is also known as acute diarrhoea, the runs or piles. It causes stomach cramps, nausea and excesses of pale yellow bowel movements which are more frequent than normal. There are different types of diarrhea you can have according to the cause or type of bacteria that's causing it. You may want to take for example metronidazole if you're experiencing traveler's diarrhea, take bismuth subcitrate potassium for colitis, tetracycline if you're taking antibiotics...etc. 

You always want to drink plenty liquids since dehydration can worsen the symptoms (which worsens diarrhea). Diarrhea is a symptom and not a disease. You need to know what your primary cause or risk factors are in order to eliminate or reduce the chances of it happening again.
Symptoms may include bloated stomach, abdominal cramps, vomiting, excessive gas, mucous in stool. Causes can be food poisoning--such as from Salmonella infection--diarrhea caused by bacteria such as Campylobacter or E coli that gets into food from things like raw fruits and vegetables that have been washed but not peeled well enough before being cut up for use in salads-or Diarrhea caused by bacteria such as Vibrio cholerae which enter the body through contaminated water drunk while swimming in polluted seawater 
 

Read Blog
persistent feaver

Fever for 3 Days ? Should You Visit a Doctor or Wait

A fever lasting three days raises valid concern for patients and caregivers alike. While many febrile episodes resolve independently, a persistent fever lasting 72 hours warrants careful evaluation. Understanding when to seek medical attention and when watchful waiting is appropriate can prevent unnecessary complications and guide timely clinical intervention.


Should You Visit a Doctor If Fever Lasts for 3 Days?

A fever persisting for three consecutive days in adults generally requires medical evaluation, particularly when body temperature exceeds 103°F (39.4°C) or when additional symptoms such as breathlessness, severe headache, or rash are present. In children under five years, medical consultation is recommended after 48 to 72 hours of unresolved fever regardless of severity. Physicians advise against self-managing a three-day fever without professional assessment in high-risk populations.

Clinically, a three-day fever threshold is significant because most viral infections producing fever resolve within 48 to 72 hours. Fever persisting beyond this window may indicate a bacterial infection, an underlying inflammatory condition, or a secondary complication requiring targeted diagnostic workup. In the Indian clinical context, endemic infections such as dengue, typhoid, and malaria must be considered as potential etiologies when fever extends beyond 72 hours.


Common Causes of Persistent Fever in Adults and Children

Persistent fever lasting three or more days may originate from a range of infectious and non-infectious etiologies. Identifying the underlying cause is essential for selecting appropriate treatment.

Infectious Causes:

  • Viral infections: Influenza, dengue fever, chikungunya, COVID-19
  • Bacterial infections: Typhoid fever (enteric fever), urinary tract infections, pneumonia, tuberculosis
  • Parasitic infections: Malaria (particularly relevant in tropical regions of India)

Non-Infectious Causes:

  • Autoimmune or inflammatory conditions
  • Drug-induced fever (fever as an adverse drug reaction)
  • Post-vaccination fever (typically resolves within 48 hours)
Condition Typical Fever Duration Key Associated Symptoms
Viral fever 3 to 5 days Body ache, fatigue, runny nose
Dengue fever 5 to 7 days Severe joint pain, rash, low platelet count
Typhoid fever 7 to 14 days Abdominal pain, diarrhea or constipation, rose spots
Malaria Cyclical pattern Chills, sweating, rigors
Urinary tract infection Variable Burning urination, flank pain

What to Do When Fever Does Not Go Down After 3 Days

When fever does not subside after 72 hours, the immediate recommended course of action is to consult a general physician or internist for clinical assessment. Antipyretic medications such as paracetamol (acetaminophen) can manage symptom discomfort but do not treat the underlying cause. Blood investigations including a complete blood count (CBC), malarial antigen test, and dengue NS1 antigen test are standard first-line diagnostics in India.

Beyond seeking medical consultation, patients should maintain adequate hydration, rest, and nutritional intake. Oral rehydration is particularly important in a tropical climate where fever accelerates fluid loss. Specialists caution against self-prescribing antibiotics without laboratory confirmation, as indiscriminate antibiotic use contributes to antimicrobial resistance, a significant public health concern in India. Clinical data supports early laboratory testing as the most effective step when fever persists beyond three days.


Warning Signs That Require Immediate Medical Attention

Certain symptoms accompanying a three-day fever indicate medical emergencies requiring immediate hospital evaluation rather than home management.

Patients or caregivers should seek emergency care if any of the following are present:

  • Fever above 104°F (40°C) that does not respond to antipyretics
  • Severe headache with neck stiffness (possible meningitis)
  • Difficulty breathing or chest pain
  • Skin rash appearing alongside fever (possible dengue or viral exanthem)
  • Altered consciousness, confusion, or seizures
  • Persistent vomiting preventing oral hydration
  • Fever in infants below three months of age
  • Fever in immunocompromised patients (those on chemotherapy, steroids, or with HIV)
  • Signs of dehydration: sunken eyes, dry mouth, reduced urine output

In children, febrile seizures can occur at temperatures above 102°F (38.9°C). While often self-limiting, any seizure associated with fever requires urgent pediatric evaluation.


Can a 3-Day Fever Resolve Without Medical Treatment?

In otherwise healthy adults, a mild to moderate fever (below 102°F) lasting three days caused by a self-limiting viral infection can resolve without specific medical treatment. The immune system typically clears common viral pathogens within three to five days. Supportive care including rest, hydration, and antipyretics is sufficient in low-risk cases.

However, resolution without medical treatment is not advisable for children under five, adults above 65, pregnant women, or individuals with chronic conditions such as diabetes or heart disease. Clinical evidence consistently indicates that delayed diagnosis in these populations increases the risk of serious complications. In regions with high prevalence of vector-borne diseases such as dengue and malaria, assuming a self-limiting viral cause without testing carries significant risk. Medical consultation remains the safest and most clinically sound approach when fever persists beyond three days.

Medical Disclaimer

This content is intended for educational and informational purposes only and does not constitute medical advice, diagnosis, or treatment. Readers experiencing persistent fever or related symptoms should consult a qualified healthcare professional for evaluation and management.

If you are facing similar health concerns, consult expert doctors online through the SecondMedic app or visit your nearest SecondMedic Health Hub for in-person care

See all

Live Doctor consultation
Live Doctor Chat

Download Our App & Get Consultation from anywhere.

App Download
call icon for mobile number calling and whatsapp at secondmedic