How to use Levitra medicines?
Levitra, a PDE type-5 drug, is used in the treatment of erectile dysfunction, male impotence. It is normally advised to be taken as needed ahead of sexual intercourse, roughly an hour before.

Contraindications
Contraindications of Levitra are very similar to those of Viagra and Cialis coming from the same family of PDE5 drugs. It can cause the blood pressure to drop abruptly to serious levels particularly when taken in combination with certain other medicines of which alpha blockers form a predominant group. This could lead to dizziness and fainting, and in some severe cases, some patients can face a potential of stroke and/or heart attack. Levitra isn’t advised for patients being treated with nitrate medicines such as glyceryl trinitrate, particularly if it’s for angina as well as other chest pains, and high BP or prostate problems. Don’t hazard a guess about your present medication; discuss this issue with your doctor when he prescribes Levitra to you.

Some of the medications such as saquinavir, ritonavir, ketoconazole, indinavir, atazanavir, itraconazole, clarithromycin and erythromycin in combination with Levitra may lead to hypotension and eventually cause dizziness, fainting and in extreme cases- stroke or heart attack although lower doses may be safe to go for but this must be jidged by your doctor alone. You may also be advised to extend the time between taking Levitra and other drugs.

Side Effects
On a lesser note, use of Levitra is known for its ability to drop blood pressure, cause fainting, dizziness, but the serious side can be really dangerous like when it leads to stroke or a heart attack. If you observe nausea, vomiting, dizziness or angina (feeling of discomfort, tightness, pain, numbness or tingling in the arms, neck, chest or jaw) after taking Levitra or during intercourse, call your doctor at once as these are possible indicators of a heart attack. However, side effects like back and chest pain, dizziness, abnormal vision, can be ascribed to an overdose. So also are the uneven heartbeat and swelling in legs or ankles. Headache, loss of hearing, ringing in ears, upset stomach, headache, runny or stuffy nose are some of the common side effects reported for Levitra.

Interaction
It is well known that Levitra, Verdanafil Citrate, interacts with various everyday usage drugs when taken simultaneously and produce the same side effects. In addition, excessive consumption of alcohol (5 plus drinks in a sitting) when you have taken Levitra or are going to take it will also have a serious negative interaction. The common medicines to avoid or be careful about when taking Levitra are Amyl nitrate medications, alpha blockers and a few antibiotics. Being a member drug of PDE5 family, the negative effects of interaction of Levitra with these medicines as well as with alcohol could be more severe, sometimes life threatening, than it could possibly get when taken without any of those. Side effects and effects of drug interaction are same for both brand name as well as generic drugs.

Levitra is sold in 2.5, 5, 10 and 20mg dosage tablets. A 10mg dose of Levitra roughly equals the effect of a 50mg of Viagra and this is normally the dose to start off. Take Levitra at least about an hour or two before starting off actuall intercourse. Make it a point to limit its consumption to a maximum of one pill a day.