Viagra (Sildenafil) contraindications and side effects

Viagra is the most popular and well-known means for increasing potency. This drug, which gives men a powerful erection, is manufactured by Pfizer.

However, despite the fact that almost everyone knows about Viagra, it is necessary to use the drug taking into account all possible side reactions. Therefore, before using the drug, it is important to carefully read the instructions. In this article we will give a comprehensive answer to the question: is Viagra harmful or not? To do this, it is necessary to consider all possible contraindications for use, as well as possible side effects.

Sildenafil contraindications for whom should take Viagra with caution, and for whom it is advisable to refuse it

The main substance in Viagra is Sildenafil citrate. It is he who helps to solve problems with potency, including erection. But for many, it is important to know what Sildenafil is dangerous for, in order not only to feel more confident in bed, but also to avoid possible negative consequences.

So, the main adverse reactions after using the drug based on Sildenafil:

• Allergy to the main component of Viagra or overdose;
• Intensification of certain diseases that a man suffers from.

The tool was created exclusively for men who have obvious problems with their sex life. But women are strictly prohibited from using the drug. Why is Viagra dangerous for women? If the agent is used by a representative of the beautiful half of humanity, then the consequences can be unpredictable. Sexual health, the work of hormonal and other important body systems will suffer. However, there is an alternative version also based on Sildenafil, which was created specifically for women.

Consider the main contraindications due to which men should refrain from using Viagra:

• Too much sensitivity to Sildenafil or other components of the drug;
• Use of medicines that contain nitrogen oxides, nitrites and nitrates. All of them are incompatible with Sildenafil, since it has a hypotensive effect on these substances;

The list of contraindications for taking Viagra in men includes the following situations and conditions:

• Using other remedies to treat potency problems. The consequences of using Viagra with other drugs to increase erection are not fully understood;
• Lactose intolerance;
• Severe liver problems;
• Ritonavir use;
• Cardiovascular problems such as a recent heart attack, heart failure, arrhythmias, and other illnesses. In this case, the use of Viagra threatens the life of a man;
• Recent stroke;
• Optic neuropathy, significant deterioration or partial loss of vision;
• The man has retinitis pigmentosa, which he inherited.

In some situations, the use of Sildenafil is allowed, but the use of the tool must be extremely careful. These cases include:

• Anatomical deformation of the penis. This includes Peyronie's disease, cavernous fibrosis, angulation;
• Myeloma, anemia, leukemia, and other diseases that lead to the progression of priapism;
• Diseases that are accompanied by various bleeding;
• Acute stomach and duodenal ulcers;
• Renal failure;
• Use of O-adrenergic blockers.

If you want to use Viagra, but you have at least one of the health problems listed above, be sure to get approval from an experienced specialist.

Viagra Side Effects

The use of the drug, even if you have not noticed any contraindications to the use of the drug, can lead to certain negative consequences. Viagra for men Side effects often appear in the form of minor headaches and hot flashes. As a rule, these consequences from taking the drug proceed without a pronounced severity and pass rather quickly. But exceeding the dosage of the drug can increase the duration and intensity of adverse reactions.

Only 10% of men who have used Viagra have noticed common side effects. But they showed up in a weak form.

Side effects when taking Viagra can be divided into several types, depending on which subsystem of the body reacts to the use of the drug:

• The reaction of the immune system to the drug can be manifested by allergies and skin rashes.





• A slight loss of vision may occur due to the use of the product. Some men show blurred vision and cyanopsia. In rare cases, there is pain in the eyes, impaired color perception, chromatopsia.
• The organs of hearing rarely suffer from the use of Viagra, but some patients have observed reduced hearing, slight noise and pain in the ears. However, it has not been proven that this effect was the result of using the drug with Sildenafil;
• The cardiovascular system may respond to the use of Viagra with hot flashes. In rare cases, there are pressure surges, heart failure, heart attack;
• Sildenafil may also affect the lymphatic system. In this case, there is a possibility of leukopenia and anemia.
• Infrequently, Sildenafil has side effects on metabolism and the digestive system. Heartburn, edema, hypoglycemia and other problems sometimes occur.
• The respiratory system in response to taking Viagra may react with a runny nose. Sometimes bronchitis, cough, asthma, dry mucous membranes may appear.
• Problems with the gastrointestinal tract due to taking the drug can make themselves felt in the form of abdominal pain, vomiting, gastritis, dry mouth, colitis. Hypoesthesia occurs less frequently.



• Viagra can also affect the musculoskeletal system. In this case, the man suffers from pain in the back, as well as in the limbs. The second option is observed much less frequently. Arthrosis, myalgia, tendon problems can also sometimes occur.
• Sildenafil in rare cases has a negative effect on the genitourinary system. The drug can cause cystitis, swelling of the genitals, urinary incontinence. As for the sexual sphere, this includes problems with ejaculation and orgasm, as well as hematospermia.
• As for the nervous system. Then the most common reaction is headaches and dizziness. Other symptoms appear much less frequently: migraines, sleep disturbances, neuralgia, trembling, convulsions, bad mood. Rare cases of loss of consciousness have also been observed, which is important for drivers to pay attention to.
• The skin from taking the drug suffers infrequently. Rash, dermatitis, herpes, itching, increased sweating were observed among rare side effects.



Other adverse reactions from the use of Sildenafil include swelling of the face, fatigue, local pain, fever and chills, apathy and bad mood.





The main side effects after taking Viagra




As a result of the use of the drug, cardiovascular complications often appear. So, if erection problems are treated with the remedy, problems with the cardiovascular system such as heart attack, sudden cardiac arrest, stroke, ischemia, and pressure surges may occur. However, these complications occurred only in those men who already had a predisposition to heart disease. Most of these negative effects occurred during or immediately after sexual contact. Some reactions made themselves felt immediately after the pill was drunk, even before sex. Unfortunately, it is difficult to establish a direct link between CVS problems and Viagra use.




Sometimes, taking Sildenafil medications can cause vision loss due to cases of NPNZN. But this probability is extremely small, only 2-10 cases per 100,000 people. If a man notices a drop in vision after taking Viagra, you should immediately stop taking the medication.




In cases of Viagra overdose, the side effects were the same as with conventional doses. But the negative consequences here manifested themselves with greater intensity and much more often.




Many men, having learned about possible adverse reactions and contraindications from taking Viagra, want to find alternative drugs to improve potency. But Viagra analogues without side effects are a myth. Whatever drug you choose for the treatment of erectile dysfunction, it will have a minimum set of contraindications and possible negative health effects. However, the likely side effects depend on the characteristics of the particular organism. If your general health is normal, then there may not be any negative reactions at all.




As for drugs to improve sexual performance with a minimal set of side effects, these include Levitra and Avanafil. They have a greater tolerance for alcoholic beverages and fatty foods, and negative effects are rare.





Negative reactions from Viagra generics




The cost of Viagra is quite high, so many men prefer its analogues, that is, generics. Almost 100% of the composition of these drugs coincides with branded Viagra. The price of an analogue with Sildenafil is much lower than that of the original drug from Pfizer. But this does not mean that generics work worse. As a rule, generic Viagra side effects coincide with the effects of the original drug with Sildenafil. And to know about each specific generic, you need to understand the instructions.




Of course, like any other drug can harm the body, Viagra has contraindications and side effects, reviews about them help to understand the situation even more. Of course, men share their personal experience, but it can be useful. However, before trying Viagra on your own for the first time, it is important to consult your doctor. This will minimize all possible negative consequences.





Tips for the safe use of Viagra




In order for the first acquaintance with the drug not to bring negative results, it is necessary to responsibly treat the process of using Viagra. To your attention are recommendations that will help reduce the possible risks from using the drug based on Sildenafil. So, in order to exclude the possibility of force majeure, it is necessary:




• Be sure to read the instructions for using Viagra or its generic. Depending on the dose of the drug in one tablet, the intensity of the possible consequences may differ;
• Use only the doses recommended in the instructions or by your doctor. Too much Viagra will not improve the effect, but the consequences can be extremely dangerous to health. Do not drink more than one tablet with Sildenafil within 24 hours.
• Pass a comprehensive diagnosis of the body to make sure that there are no diseases that prohibit the use of Viagra. This will help protect you from unwanted consequences;
• Viagra is forbidden to be used together with alcoholic beverages. Alcohol increases the intensity of side effects. If you want to combine sexual intercourse with alcohol, pay attention to other male enhancement drugs that are allowed to be combined with alcohol.



Viagra is the most famous drug that men choose to treat erection problems. This medicine has a number of contraindications and side effects. You should carefully study them, as well as get expert advice so that the possible harm to the body is minimal. An experienced doctor will recommend specific doses or recommend a remedy with a different name.




Most often, the negative effects of taking Sildenafil are minimal and short-term. But, if you have the effect of taking the drug for a long time is manifested by a deterioration in health, it is important to immediately stop drinking the pills and consult a specialist. A timely consultation with a doctor will help you find the best drug that improves the quality of your sex life.