So, for buy xanax without prescrition example, the dosage for someone 70 years old may be 25 mg as needed, instead of 50 mg as needed. Before you start taking Viagra, you should be aware of the symptoms of low blood pressure. If you have any of these symptoms, contact your doctor. They’ll be able to determine how low your blood pressure is and whether it’s at a safe level. Like most drugs, Viagra may cause mild or serious side effects. The lists below describe some of the more common side effects that Viagra may cause.

Important considerations for taking sildenafil

Using nitrates with Viagra may cause your blood pressure to become dangerously low. Revatio and Viagra both contain the active drug sildenafil. Be sure to talk with your doctor about all the medications you’re taking before starting Viagra. They’ll be able to help you determine if there are any interactions you should know about. Your pharmacist will add an expiration date to the label of your bottle of Viagra when it’s dispensed at your pharmacy. In many cases, medications are safe to use for 1 year after they’re dispensed from a pharmacy.
With MUSE (Medicated Urethral System for Erections), the suppository should be administered 5–10 minutes before sex. For the purpose of this article, we use "male" and "female" to refer to a person’s sex assigned at birth. Talking with your doctor can help pinpoint what may be contributing to your ED, and you can work together to build an effective treatment plan.

Viagra and certain BPH drugs

Sildenafil is also sometimes used to treat pulmonary hypertension (high blood pressure in the blood vessels that supply the lungs). These drugs are similar in their efficacy, so personal preference is important. Consider cost, ease of use, how long the drug lasts, and if you want a medication for one-time use or ongoing therapy. It’s worth noting that some ED medications have different onset times in different people. How long these medications are effective also varies in individuals.
If this is the case, try to relax, make yourself comfortable, and take your time. In addition, if you drink alcohol, it’s best to avoid drinking a lot of it. This is because consuming large amounts of alcohol can make it more difficult to get an erection.

You may have low blood pressure when you’re taking Viagra. It widens your blood vessels to allow more blood to flow into your penis. Instead, Viagra is approved only to treat erectile dysfunction (ED) in adult males. (An active ingredient is what makes a drug work.) It belongs to a group of drugs called phosphodiesterase-5 inhibitors.