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Pregnancy headaches

Headaches are common during pregnancy, sadly. Learn about the most common types, how to relieve pregnancy headaches, and when to call your doctor.

A woman sitting on a couch with her hand on her forehead.
Photo credit: iStock.com / damircudic

What causes a headache during pregnancy?

Pregnancy headaches are a regular experience, especially in the first trimester. You can blame your hormones: Some women are more sensitive to the increase in estrogen that occurs during pregnancy. You may also notice more headaches in early pregnancy thanks to an increase in blood volume during the first trimester, or if you're quitting or cutting back on caffeine – the withdrawal can make your head pound.

Other possible causes of pregnancy headaches include:

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It's normal to get tension headaches when you're pregnant, especially in the first trimester. Migraine sufferers usually get some relief when they're expecting – although some women may actually end up getting their first migraine during pregnancy.

If you have headaches in your first trimester, you'll probably find that they decrease or even disappear completely during the second trimester, after the flood of hormones stabilizes and your body gets used to its altered chemistry.

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Common types of pregnancy headaches

There are many different types of headaches you may experience while pregnant, and it isn't always easy to tell which kind you have. Here, a few key differences:

Tension headaches are one of the most common kinds of headaches during pregnancy, especially in the first trimester. They can feel like a squeezing pain or a steady dull ache on both sides of your head or at the back of your neck. If you've always been susceptible to tension headaches, pregnancy can make them worse.

Sinus headaches typically feel like pressure or pain in your cheeks, around your eyes, and in your forehead. They occur most often after you've had a cold or a respiratory infection. People commonly mistake migraine headaches for sinusitis – if you're getting more headaches but otherwise have been healthy, you might be having migraines. But if you're feeling congested, you might have a sinus infection requiring treatment.

Cluster headaches are much less common, and experts aren't sure if pregnancy affects the frequency or intensity of them. Cluster headaches are marked by sudden, severe pain usually around one eye or temple, sometimes with teary eyes or a stuffy nose. They tend to occur at the same time each day, often a few hours after falling asleep, over weeks or months.

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Migraine headaches cause moderate to severe throbbing pain, typically on one side of the head. They can also be accompanied by other symptoms, such as nausea, vomiting, or sensitivity to light and noise. If untreated, they can last from four to 72 hours and may be aggravated by physical activity as well as many of the same factors that trigger more typical headaches. Migraines are most common in the first trimester, and tend to ease up in the second and third trimester, as your body adjusts to hormones.

Some migraine sufferers have a condition known as migraines with aura – that is, headaches that are preceded by symptoms that may include visual changes (such as bright flashing lights or blind spots), sensations of numbness or "pins and needles," weakness, and speech disturbances. These symptoms may start up to an hour before a migraine starts and may last as long as an hour.

Is it common to get a migraine during pregnancy?

The frequency of pregnancy migraines varies. Experts estimate that about 1 in 5 women will have a migraine at some point in their life, and studies have shown a small number of women experience their first migraine while pregnant, most often in the first trimester.

Some good news about migraines during pregnancy: In one study, about two-thirds of women who were prone to migraines noticed that their migraines actually improved when they were pregnant. (This is more likely to happen if your migraines tend to be worse around the time of your periods or start when you first begin menstruating.) Other women noticed no change or found that their migraines become more frequent and intense.

However, women who have migraines tend to have higher rates of preeclampsia, a serious high-risk pregnancy condition marked by high blood pressure – especially if they didn't get migraines before pregnancy – so it's important to let your healthcare provider know if you suddenly start having them.

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What can I take for a headache while pregnant?

It's always best to talk to your healthcare provider before taking any medicines while you're pregnant, but when it comes to headache relief, acetaminophen (Tylenol) is considered the safest over-the-counter pain reliever to take during pregnancy, if used as directed. Don't exceed the recommended daily dose, and because acetaminophen may not be safe to take for prolonged periods, take it only as it's needed.

If your headaches aren't getting any better, your ob-gyn or midwife may be able to prescribe some other safe options, so talk to them.

If you're prone to severe migraines, ask your provider which medications you can take. One well-known class of migraine drugs, triptans, have been generally shown to be safe during pregnancy, but you may need to be monitored by a maternal-fetal medicine specialist (MFM) or a neurologist during your pregnancy if you're taking them.

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Other ways to prevent or treat a headache during pregnancy

Here are some more ways to find pregnancy headache relief:

Figure out your headache triggers. Headache specialists often recommend keeping a headache diary to help you identify specific triggers. The next time you get a migraine or headache, write down everything you ate for the 24 hours prior and what you were doing when your headache started.

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Some common migraine triggers include foods that contain:

  • Monosodium glutamate (MSG)
  • Nitrites and nitrates (common in processed meats like hot dogs, salami, and bacon)
  • Artificial sweeteners

Other foods that can trigger a headache include:

  • Certain beans and nuts
  • Aged cheeses and cultured dairy products (like buttermilk and sour cream)
  • Some fresh fruits (including bananas, papayas, avocados, and citrus)
  • Smoked fish
  • Chocolate and carob
  • Fermented or pickled foods (like soy sauce or sauerkraut)

Other triggers may include:

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Use a compress. You may be able to find relief if you apply a warm or cool compress to your forehead or the base of your skull.

Take a shower. For some migraine sufferers, a cold shower brings fast – if temporary – headache relief. If you can't take a shower, splash cool water on your face. A warm shower or bath can soothe tension headaches.

Don't go hungry or thirsty. To prevent low blood sugar (a common headache trigger), eat small meals frequently. When you're on the go, take along some healthy snacks, such as crackers, fruit, or yogurt. Stay away from straight sugar, like candy or soda, which can make your blood sugar spike and crash.

Don't forget to drink plenty of water and stay hydrated. Sip water slowly if you've recently vomited from a migraine.

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Avoid fatigue. Get plenty of sleep at night. When you're having a migraine, it might be helpful to sleep in a quiet, dark room.

Exercise. Some evidence shows that regular exercise during pregnancy can reduce the frequency and severity of migraines and reduce the stress that can cause tension headaches. If you're prone to migraines, get started slowly – a sudden burst of activity could trigger one. (And don't exercise once a migraine has started because it will aggravate the headache.)

Exercises to help you maintain good posture may be especially helpful with headaches during the third trimester.

Try relaxation techniques. Biofeedback, meditation, prenatal yoga, and self-hypnosis may be helpful for reducing stress and headaches in some sufferers.

Get a massage. Some women who suffer from tension headaches swear by massage, although it's unclear whether it's effective in preventing or relieving headaches. A full-body massage (ideally from a therapist who specializes in prenatal massage) can release tension in the muscles of your neck, shoulders, and back.

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If a professional massage isn't an option, ask your partner to rub your back and head.

Consider acupuncture. Acupuncture treatment is generally considered safe during pregnancy, although whether it can provide pregnancy headache relief is a topic of debate. If you'd like to try it, ask your healthcare provider for a referral and keep them posted on your treatments. If you prefer to see an acupuncture practitioner who's also an M.D., check out the American Academy of Medical Acupuncture.

When should I be worried about headaches during pregnancy?

In the second or third trimester, a severe headache could be a sign of preeclampsia. Other symptoms of preeclampsia include an unusual amount of protein in the urine, vision changes, and liver and kidney abnormalities.

Call your healthcare provider right away if:

  • You're in your second or third trimester and have a bad headache or a headache for the first time. It may or may not be accompanied by visual changes, sharp upper abdominal pain or nausea, or swelling in your hands or face. You'll need to have your blood pressure and urine checked right away to be sure you don't have preeclampsia.
  • You have a headache (even a mild one) and you've been having high blood pressure.
  • You have a sudden "explosive" headache. This type of headache is a violent pain that wakes you up, doesn't go away, or feels unlike anything you've ever experienced.
  • Your headache is accompanied by a fever or a stiff neck.
  • Your headache gets worse and you have other problems, such as blurry vision or other visual disturbances, slurred speech, drowsiness, numbness, or a change in sensation or alertness.
  • You have a headache after any kind of head injury.
  • You have nose congestion, as well as pain and pressure underneath your eyes or other face or tooth pain. (This could be a sinus infection that calls for antibiotics.)
  • You notice any abnormal changes in vision, such as getting headaches after reading or looking at a computer screen.
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In any case, don't hesitate to call your doctor or midwife whenever you're worried about a headache during pregnancy. Even if you've had headaches before, talking to them can help you decide which treatment might be best for you while you're pregnant.

Read More:

Your first trimester pregnancy checklist

Pregnancy symptoms you should never ignore

Common pregnancy aches and pains

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Sources

BabyCenter's editorial team is committed to providing the most helpful and trustworthy pregnancy and parenting information in the world. When creating and updating content, we rely on credible sources: respected health organizations, professional groups of doctors and other experts, and published studies in peer-reviewed journals. We believe you should always know the source of the information you're seeing. Learn more about our editorial and medical review policies.

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Hallie Levine
Hallie Levine is an award-winning journalist who has covered health and wellness for more than 20 years. She lives with her three children in Fairfield, Connecticut.
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