Common Eye Diseases: Causes, Symptoms and Care
Common eye diseases include red eye, strabismus, refractive errors, dry eye and eye strain. Learn their causes, symptoms and how each is treated.
Pregnancy week by week
From the first signs through the third trimester: what changes for you and your baby at each stage.
- 9 early signs you might be pregnant
- 14 unusual early pregnancy symptoms
- Pregnancy week 1: what to expect
- Pregnancy week 2: what to look for
- 3 weeks pregnant symptoms
- Pregnancy week 4 symptoms
- Spotting at 4 weeks pregnant
- Pregnancy week 5 symptoms
- Pregnancy week 6 and your baby's size
- 8 weeks pregnant: your baby's development
- Pregnancy week 9 symptoms
- First trimester, weeks 1 to 12
- When the second trimester starts
- Second trimester symptoms week by week
- 20 weeks pregnant
- Third trimester symptoms week by week
- Third trimester and your baby's growth
- Signs of miscarriage
Conditions A-Z
Causes, symptoms and treatment for common conditions, from asthma to type 2 diabetes. See a clinician for a diagnosis.
- Allergic conjunctivitis
- Ankylosing spondylitis
- Asthma attacks
- Celiac disease symptoms
- Cardiovascular disease
- Eczema treatment
- Embolic stroke
- Encephalitis
- Epigastric pain
- Fibromyalgia
- Gestational diabetes
- Heart disease symptoms
- Inverse psoriasis
- Nosebleeds (epistaxis)
- Osteoarthritis of the knee
- Osteoporosis
- Parkinson's disease
- Rheumatoid arthritis signs
- Thunderclap headache
- Tuberculosis
- Type 1 diabetes
- Type 2 diabetes
- Acne vulgaris
- Rickets in children
Eye health
All 25 articles →Red, itchy or twitching eyes, glaucoma and the eye diseases that can lead to vision loss.
Ear health
All 10 articles →What different kinds of ear discharge can mean, and how to use earwax drops as directed.
Short answers
- Can you leave Debrox in your ear overnight?
- No. The label says to keep the drops in your ear for several minutes, not for hours, and to use them twice daily for up to four days. How to use Debrox as directed →
- When does the second trimester start?
- At week 14 of pregnancy, and it lasts through the end of week 27, according to ACOG. Some sources count it from week 13. What happens in the second trimester →
- What is a scintillating scotoma?
- A blind spot covered by a shimmering or sparkling effect, often with zigzag edges. The most common cause is migraine with aura, but it can be a sign of something serious, such as a stroke. Causes of scintillating scotoma →
- Is a thunderclap headache an emergency?
- Yes. It can be a sign of bleeding around the brain. If you have a sudden, severe headache that peaks within about a minute, call 911 or go to the nearest emergency room. Thunderclap headache causes and signs →
Healthy lifestyle
Everyday habits: what to eat, how to move and how to unwind.
