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Cialis Side Effects

Cialis is a brand name for tadalafil. The drug used by millions of men worldwide for the treatment of erectile dysfunction. Erectile dysfunction, or ED as it is commonly referred to in the medical circles, is a common problem among a large percentage of men around the world, especially those with diabetes type 2 and some other chronic conditions that contribute to ED.

Cialis is probably the most used drug for erectile dysfunction along with the two other branded ED drugs Viagra and Levitra.

cialisIn an attempt to shake off the social anxiety and the stigma that is associated with ED, a lot of men tend to anonymously obtain this drug in multiple online pharmacies without prescriptions and fully knowing its possible side effects. So we take this opportunity to educate you on the common side effects of tadalafil, both common and rare ones that are least known.

The side effects have been classified depending on how often they manifest and how much danger they pose to the user’s health.

Health Risks

Before using Cialis or in fact any other ED drug, it is very crucial to inform your doctor if you have any of the conditions mentioned below. This is because those with certain conditions are more likely to experience adverse effects when using PDE5 inhibitors – a drug class that Cialis and most ED drugs fall into.

The conditions that can disqualify you from using Cialis include:

Heart related diseases such as coronary artery diseases increase your chances of experiencing some side effects of Cialis. Additionally, you should also be concerned if you suffer from any heart rhythm complications. You should also inform your doctor if you have suffered a stroke or a heart attack in the recent past, within six months.

Inform your doctor if you have any kidney and liver related ailments, and if so, the treatments you are currently undergoing for them, for example dialysis.

Diseases that affect the blood such as leukemia, hemophilia, myeloma or sickle cell anemia increase the likelihood of side effecters. So in case you have any of these conditions, it’s up to the doctor to decide if you’re allowed to take Cialis.

Other conditions that can make Cialis dangerous for you include certain eye conditions and any penile deformities.

Common Side Effects

The following mild side effects have been known to occur in some patients using tadalafil. The most common one is, without a doubt, a headache. This may be accompanied by indigestion, runny nose, back pains and stomach upsets such as burping. These common side effects are usually mild and fade away on their own within a day. However, when a mild side effect persists for more than two days, you’re strongly advised to see the doctor.

Less Common and More Severe Side Effects

These side effects are also known to occur to patients taking the drug but are not frequent.

These are:

- Irritation of the throat.

- Mild coughing.

- Back pains.

- Nausea.

- Pain in the limbs.

- Bouts of fever.

- Itchy eyes.

- Mild insomnia.

Rare Side Effects

The side effects listed here rarely occur to patients and if any of them is seen, get in contact with your doctor as failure to do so may lead to severe consequences. These are:

- Ringing in the ear.

- Rashes on the body.

- Very low blood pressure that leads to fainting.

- Blurred vision.

- Problems with the throat leading to difficulty in swallowing.

- Severe pains in the chest.

- Irregular heartbeat.

- Changes in the voice.

- Very dry mouth.

In some rare cases, the user may have water retained, a condition commonly known as water retention. Cases of severe drowsiness or feeling dizzy have also been reported. Isolated cases of short term memory loss have been known to occur, extremely rare though.

The optic nerve may also be affected by tadalafil leading to various eyesight complications that may include very watery eyes, discharge from the eyes, poor vision, and swelling of the eyelids.


It’s worth noting that clinical trials estimate only about 12 percent of men experience any side effects after taking Cialis, and most of them are mild. However, to be on the safe side, you’re strongly recommended to consult your doctor before taking Cialis or any other ED drug for the first time.