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Let's see if we can figure out what's causing your symptoms.
Select additional symptoms and we'll narrow your results.

Your symptoms:
  • Gas
  • Headache

What causes gas and headache? 6 possible conditions

We could not identify "insect sting" as a symptom in Symptom Search.
Also try this:
  • enter the first few letters of the symptom in the Enter a symptom box (above)
  • select a symptom from the Pick from a List option

See a list of possible causes in order from the most common to the least.

1

Giardiasis

Giardiasis is an infection in your small intestine caused by microscopic parasites called giardia.

Read more »

2

Food Poisoning

This condition is considered a medical emergency. Urgent care may be required.

Food poisoning occurs when you consume foods contaminated with bacteria, viruses, or parasites. Symptoms are usually uncomfortable but not severe.

Read more »

3

Endometriosis

Endometriosis is a disorder in which the tissue that forms the lining of your uterus grows outside of your uterine cavity. The lining is called the endometrium.

Read more »

4

What is Fibromyalgia?

Fibromyalgia is a disorder tied to widespread pain in your muscles and bones, areas of tenderness, and fatigue. Learn about its symptoms, treatment, and more.

Read more »

5

Polio

Poliomyelitis, or polio, is a highly contagious disease that is caused by a virus that attacks the body's nervous system.

Read more »

6

PMS (Premenstrual Syndrome)

Premenstrual syndrome causes a wide variety of emotional and physical symptoms. Learn more about it.

Read more »

This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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