Man holding his nose

How Long Do Viagra Headaches Last?

Overview: Headaches are one of the most common side effects of using sildenafil (Viagra), with up to 25% of users reporting the symptom. It’s theorized that sildenafil’s impact on some enzymes can trigger migraine or cluster headaches. Patients should also be aware of drug interactions and other medication options.

How Long Do Viagra Headaches Last?

In most cases, you can expect a Viagra headache to ease after several hours. That said, there have been case studies that have found that men prone to migraines or cluster headaches may have more of a problem.

One case study in particular highlights the need for a careful strategy. The patient began experiencing cluster headaches after taking sildenafil, and doctors theorized this was due the way sildenafil functions.

Sildenafil, vardenafil, and tadalafil (Cialis) all work by inhibiting the enzyme phosphodiesterase-5, PDE-5 for short. However, that’s not the only enzyme in the phosphodiesterase family, and each of these drugs affect the other enzymes to some degree. If you’ve had a cup of coffee on an empty stomach and gotten a headache, you’ve experienced this effect, since caffeine is a weak PDE inhibitor.

Ultimately, the patient solved his problem with a small dose of naproxen (Aleve), which is available over the counter, and by switching his ED medication and lowering his dosage. If you’re regularly getting headaches from sildenafil, this is a good place to start.

What Are Viagra’s Other Side Effects?

Man sitting at a table holding his head in his hand.
Viagra is a vasodilator, which means it opens up the blood vessels. Since it’s taken orally, that means it does this all over the body. ┬áThis process can cause several common side effects, which can include:

  • Aches or pains in the muscles
  • Bloody nose
  • Diarrhea
  • Difficult or labored breathing
  • Flushing
  • Pain or tenderness around the eyes and cheekbones
  • Redness of the skin
  • Sneezing
  • Nausea
  • Stuffy or runny nose
  • Insomnia
  • Feeling flushed or warm

There are less common symptoms, as well, but these are the ones you’re most likely to experience.

Who Should Not Take Viagra?

Viagra isn’t recommended for people who have heart conditions or are on medication to lower their blood pressure. This is due to the vasodilator effect, which can drop blood pressure to dangerous levels and put strain on the heart.

Beyond that, anybody considering ED medication should talk with their doctor about dosage, side effects, and possible allergies. You should also discuss with your doctor any pre-existing conditions or other possible concerns you might have, including migraine.

The general opinion for most men is that the side effects of Viagra are minor inconveniences that are outweighed by the benefits. Yet, every body is different, and bodies change over time. If you’re experiencing side effects, or you start experiencing them, take the following steps:

  • Discuss medication changes and dosage changes with your doctor.
  • Make sure that the symptom is related to the medication; one headache or stuffy nose isn’t necessarily attributable to the medication, so look for a pattern.
  • If you’re diagnosed with a chronic condition like migraine, check with a medical professional about next steps with all your medications.

How eDrugstore Can Help

You don’t have to live with ED. Learn how you can advocate for your own sexual health by following our blog, or check out our erectile dysfunction page to learn more about Viagra and the other ED meds we carry. With eDrugstore, telehealth visits and shipping are always free.

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