Here’s some detail on certain side effects this drug may cause. However, you can also see this article for details about the potential side effects of Cialis. As with most drugs, some people can have an allergic reaction after taking Cialis. Allergic reactions did occur in clinical trials of Cialis, but it wasn’t reported how many people had them. Symptoms buy cialis 60mg of a mild allergic reaction can include: A more severe allergic reaction is rare but possible. This may include skin conditions such as Stevens-Johnson syndrome (a life threatening rash). Symptoms of a severe allergic reaction can include: swelling under your skin, typically in your eyelids, lips, hands, or feet swelling of your tongue, mouth, or throat severe rash, which may cause painful blisters Call your doctor right away if you have a severe allergic reaction to Cialis.

Cialis has different strengths, typically 2.5 mg, 5 mg, 10 mg, and 20 mg tablets.
The starting dose for most users is 10 mg before sexual activity.
For daily use, a lower dose like 2.5 mg or 5 mg is usually prescribed.
Cialis should not be taken more than once per day to prevent overdose.
Consult your healthcare provider if erections last longer than 4 hours.

Headache is a common side effect that may occur with Cialis. If you have headaches that are bothersome to you while using Cialis, talk with your doctor. They may be able to recommend ways to help ease this side effect. Changes in blood pressure are a possible side effect of taking Cialis. Low blood pressure occurs most often while taking this medication. But high blood pressure can occur as well. A decrease in blood pressure may be more likely if you’re taking Cialis along with other medications that can also lower blood pressure. Symptoms of low blood pressure can include: If you have these symptoms while taking Cialis, tell your doctor right away. They’ll help determine what’s causing the low blood pressure and the best way to treat it.

Cialis is available by prescription and should be used under medical supervision.
It works by inhibiting PDE5 enzymes that restrict blood flow in the penis.
Cialis's effect can be affected by other medications, especially nitrates.
The medication is not intended for use as an emergency drug before sexual activity.
Always follow your doctor's dosage instructions to avoid adverse effects.

Although rare, Cialis may also increase your blood pressure. This side effect was reported only in people who took Cialis once a day for erectile dysfunction (ED).

Cialis is contraindicated in patients with severe heart disease.
Alcohol can increase the risk of side effects like dizziness and hypotension.
The medication does not protect against HIV or other STDs.
Avoid splitting or crushing Cialis tablets unless directed by a doctor.
Always check with a healthcare professional before starting or stopping Cialis.

If you have any symptoms of high blood pressure, such as headaches or chest pain, tell your doctor right away. They’ll help determine what’s causing the increase in blood pressure and the best way to treat it.

Comparing Side Effects

Your doctor will ultimately prescribe the smallest dosage that provides the desired effect. If you have certain conditions, such as kidney or liver problems, your doctor may have you start with a low dose of Cialis. This is done so that the medication doesn’t affect your other conditions. The following information describes dosages that are commonly used or recommended. However, be sure to take the dosage your doctor prescribes for you.

Mild side effects

Your doctor will determine the best dosage to fit your needs. In addition to the information below, you can see this comprehensive article about the dosages of Cialis. It’s available in four strengths: 2.5 milligrams (mg), 5 mg, 10 mg, and 20 mg. For symptoms of BPH, the recommended dosage of Cialis is 5 mg once a day. You should take the drug at about the same time each day.

Overdose symptoms

In some cases, your doctor may have you take 5 mg of Cialis a day along with finasteride (Proscar) to treat BPH. (See the “Cialis use with other drugs” section below to learn more.) If you take both Cialis and finasteride, you’ll usually take these two drugs for up to 26 weeks. Here’s some information on the Cialis dosages for ED. If your doctor recommends that you take Cialis only as needed for ED, the usual dosage is 10 mg before sexual activity. Your doctor may reduce this to 5 mg if the medication is working too well. Back pain is a common side effect with Cialis. It usually occurs between 12 and 24 hours after taking Cialis.

Use Case	Patient Profile	Additional Info
Erectile Dysfunction (ED)	Men aged 40-70	Approved by FDA
Pulmonary Hypertension	Adults with PAH	Off-label use
BPH (Benign Prostatic Hyperplasia)	Men with urinary symptoms	Sometimes combined with other drugs
Exercise Performance Enhancement	No approved use	Not recommended

Usually, back pain goes away within 2 days of taking your dose. While taking Cialis, if you have back pain that’s bothersome to you or doesn’t go away, talk with your doctor. Your doctor may also do more testing to see what’s causing your back pain.

Medication	Dosage Forms	Onset Time	Duration	Price (approx.)
Cialis 20mg	Tablets	30-60 minutes	Up to 36 hours	Moderate
Viagra 50mg	Tablets	30-60 minutes	4-6 hours	Moderate
Levitra 10mg	Tablets	30 minutes	4-5 hours	Slightly higher
Stendra 100mg	Tablets	15-30 minutes	6 hours	Higher

Heartburn is a common side effect of Cialis. If you have heartburn that’s bothersome to you while taking Cialis, talk with your doctor. They may be able to recommend ways to treat this side effect. It’s possible to get a prolonged erection that lasts more than 4 hours while taking Cialis. This side effect can lead to priapism, which is a painful erection lasting longer than 4 hours. It’s considered an emergency because it can cause permanent damage to your penis, such as being unable to have erections at all.

Product	Dosage	Quantity + Bonus	Price
Cialis Generic	10mg	90 + 6 Pills	146.17€ 139.21€
Cialis Generic	2.5mg	360 + 10 Pills	260.03€ 247.65€
Cialis Professional	40mg	60 + 2 Pills	262.32€ 249.83€
Cialis Soft Tabs	20mg	30 + 4 Pills	87.43€ 83.27€
Cialis Generic	2.5mg	120 + 6 Pills	128.93€ 122.79€
Cialis Original	20mg	92 + 4 Pills	377.99€ 359.99€
Cialis Professional	40mg	120 + 4 Pills	436.68€ 415.89€
Cialis Professional	40mg	30 Pills	148.94€ 141.85€
Cialis Generic	10mg	20 Pills	48.23€ 45.93€
Cialis Original	20mg	48 + 4 Pills	224.69€ 213.99€
Cialis Original	20mg	14 + 2 Pills	95.75€ 91.19€
Cialis Original	20mg	22 + 2 Pills	129.20€ 123.05€
Cialis Generic	2.5mg	60 + 4 Pills	83.43€ 79.46€
Cialis Professional	20mg	270 + 6 Pills	623.07€ 593.40€

If you have an erection that lasts longer than 4 hours while using Cialis, see a doctor or go to the hospital right away.

17.5 Priapism

You should try to take your dose at about the same time each day. The approved dosages of Cialis for ED, BPH symptoms, or both, are between 2.5 mg and 20 mg a day or as needed. Dosages higher than 20 mg a day haven’t been studied, and it’s not known what side effects may occur with them. For example, if you take your “as-needed” dose of 20 mg twice a day, you’ll end up taking 40 mg. This dose is too high and may cause serious side effects, such as decreased blood pressure.

Does Cialis increase the size of a man’s penis?

If you forget to take your once-a-day dose of Cialis, take it as soon as you remember. However, never take two doses in 1 day. If you missed your dose yesterday, just skip the missed dose and continue with your once-a-day dosing. To help make sure that you don’t miss a dose, try setting a reminder on your phone. A medication timer may be useful, too.

How should I store tadalafil?

If you’re taking Cialis to treat BPH, this medication may be a long-term treatment. Cialis may also be taken to treat cialis free trials ED long term. But in some cases, your doctor may determine the cause of your ED, such as depression or an illness. In such instances, you may be able to stop taking Cialis after the cause of your ED has been treated. Cialis can cause mild or serious side effects. The prolonged erection should be treated as soon as possible so that it doesn’t cause lasting damage. The best way to take Cialis is to use it exactly as your doctor directs, either once a day at the same time each day or only as needed. You should not take any other medications to treat erectile dysfunction (ED) while you’re using Cialis, unless your doctor says that it’s safe. And you should never take Cialis more than once a day. Taking Cialis more often than prescribed or in high doses can increase your risk of side effects. If you drink alcohol, it’s important to avoid drinking too much alcohol while you’re taking Cialis. (See the “Cialis and alcohol” section below to learn more.) In addition, be sure to talk with your doctor or pharmacist about any other medications that you’re taking. They’ll be able to determine whether the drugs may interact with Cialis and whether that may lead to an increased risk of side effects. If you have any questions about the best way to avoid specific side effects from Cialis, talk with your doctor.

5.6 Alpha blockers and Antihypertensives

But if this dose doesn’t work for you, your doctor may increase your dose back to 10 mg. If the 10-mg dose of Cialis isn’t working well enough, your doctor may increase it to 20 mg. The maximum dose of Cialis that can be taken in a day is 20 mg. You should not take Cialis more than once a day. In clinical trials, Cialis helped with ED symptoms for up to 36 hours after their dose.

Side effects and risks

So if you’re taking the medication only as needed, you shouldn’t have to take it every day. Note: It’s very important that you take only the amount of Cialis that your doctor instructs you to take. And be sure to speak with them if you feel you need more of the drug, rather than increasing your dosage yourself. Cialis can also be taken once a day to treat ED. In this case, the dosage usually starts at 2.5 mg a day.

The Bottom Line

If this daily dosage doesn’t work well enough to treat your ED, your doctor may increase it to 5 mg a day. And if your doctor recommends using Cialis every day, you should take the drug at about the same time each day. You don’t need to take Cialis before sexual activity unless your doctor says you should take the drug only as needed. (See the “Cialis taken as needed” section right above to learn more.) Note: It’s very important that you take only the amount of Cialis that your doctor instructs you to take. To treat both ED and symptoms of BPH together, the typical dose of Cialis is 5 mg, once a day. Like Viagra, the drug vardenafil (Levitra) has uses similar to those of Cialis. Here’s a comparison of how Cialis and vardenafil are alike and different. Note: Levitra, the brand-name version of the generic drug vardenafil, is discontinued and no longer available.

5.5 Sudden Hearing Loss

The following lists contain some of the key side effects that may occur while taking Cialis. These lists don’t include all possible side effects. For more information on the possible side effects of Cialis, talk with your doctor or pharmacist. They can give you tips on how to deal with any side effects that may be concerning or bothersome. Note: The Food and Drug Administration (FDA) tracks side effects of drugs it has approved.

Does tadalafil interact with foods or drinks?

If you would like to report to the FDA a side effect you’ve had with Cialis, you can do so through MedWatch. Mild side effects of Cialis can include:* Most of these side effects may go away within a few days or a couple of weeks. But if they become more severe or don’t go away, talk with your doctor or pharmacist. * This is a partial list of mild side effects from Cialis. To learn about other mild side effects, talk with your doctor or pharmacist, or see Cialis’s prescribing information.

Financial and insurance assistance

Serious side effects from Cialis aren’t common, but they can occur. Call your doctor right away if you have serious side effects. Call 911 if your symptoms feel life threatening or if you think you’re having a medical emergency. Changes in hearing can be a serious side effect of Cialis. Other serious side effects, explained in more detail below in “Side effect details,” include: prolonged erection (an erection that lasts more than 4 hours) You may wonder how often certain side effects occur with this drug. Vardenafil is a generic drug, which is an exact copy of the active ingredient in a brand-name medication (in this case, Levitra, which is discontinued). Both Cialis and vardenafil belong to a group of medications called phosphodiesterase 5 (PDE5) inhibitors. The Food and Drug Administration (FDA) has approved Cialis and vardenafil to treat erectile dysfunction (ED) in males.