Recent Blog Articles
When replenishing fluids, does milk beat water?
Safe, joyful movement for people of all weights
Slowing down racing thoughts
Are women turning to cannabis for menopause symptom relief?
3 ways to create community and counter loneliness
Helping children make friends: What parents can do
Can electrical brain stimulation boost attention, memory, and more?
Palliative care frightens some people: Here’s how it helps
Parents don't always realize that their teen is suicidal
Shift work can harm sleep and health: What helps?
Diseases & Conditions
Headaches from headache medication?
Q. I have a long history of tension headaches and usually get relief by taking acetaminophen. Lately, the medication relieves the headache, but then the pain returns later in the day. Can acetaminophen lose its effectiveness, or could it be something else?
A. Any headache that is new or worsening should be evaluated by your doctor. He or she will try to diagnose the cause of your headache by reviewing your medical history and performing a physical examination.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise
I'd like to receive access to Harvard Health Online for only $4.99 a month.Sign Me Up
Already a member? Login ».
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
Free Healthbeat Signup
Get the latest in health news delivered to your inbox!