What is Caverta 100mg?
Caverta 100mg is used to treat erectile dysfunction (impotence) in men which was originally sold under the name Viagra™ among others.
Caverta 100mg when taken relaxes muscles of the blood vessels and increases flow to the penis to help a man get and keep an erection.
Recommendations for use of Caverta 100mg
Carverta 100mg consist of Sildenafil Citrate was the first drug created to treat men suffering from erectile dysfunction (ED). For the first time, a potent oral medication is available that is able to markedly improve sexual activity in over 80% of men with impotence. Single tablet is to be taken orally 30 to 60 minutes before sexual activity and effects would last for 4 to 6 hours thereafter.
Arousal is required for the treatment to work. Caverta 100mg is most likely to be suitable if taken in situations where sexual arousal is expected within an hour or two of taking the tablet. Without sexual arousal there will be no benefit and the effect of the tablet will simply wear off after about 4 hours.
Do not take more than 1 dose or more than 100mg in 24 hours, or combine with other erectile dysfunction drugs.
Dosage and direction of taking Caverta 100mg
Read the Medication Guide and the Patient Information Leaflet provided by your pharmacist before you start using Caverta 100mg and each time you get a refill. If you have any questions, consult your doctor or pharmacist.
Take this medication by mouth with or without food once daily or as directed by your doctor.
Avoid large meals, meals high in fat, excessive alcohol, and grapefruit as these can affect effectiveness of Caverta 100mg.
The dosage is based on your age, medical condition, and response to treatment including other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
The dose is usually taken 1 hour before sexual activity.
Do not take Caverta 100mg more than once per day, or more than 100mg dose.
Missed Dose of Caverta 100mg
The dose is usually taken 1 hour before sexual activity.
Do not take Caverta 100mg without having sexual activity.
Overdose of Caverta 100mg
If you think you have taken more than the required dose contact a poison control center or emergency room at once. NOTE: This medicine is only for you. Do not share this medicine with others.
How does Caverta 100mg?
Caverta 100mg works by increasing blood flow to the penis which helps men get and sustain an erection long enough for sex generally about 4 hours.
Caverta 100mg is known medically as a PDE5 inhibitor. Caverta 100mg inhibits (blocks) an enzyme which regulates blood flow in the penis. PDE5 inhibitors multiply the natural process of arousal and increase blood flow to the penis in situations of sexual stimulation. Caverta 100mg helps to achieve an erection but relies on natural arousal as a trigger. It, and other PDE5 inhibitors such as tadalafil and vardenafil, support sexual relations when erections are failing.
Precautions before taking Caverta 100mg
Do not take Caverta 100mg; if you are using a nitrate drug for chest pain or heart problems such as nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid and others), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate) and isosorbide mononitrate (Imdur, ISMO, Monoket). Nitrates are also found in some recreational drugs such as amyl nitrate or nitrite (“poppers”). Taking Caverta 100mg with a nitrate medicine can cause a serious decrease in blood pressure, leading to fainting, stroke or heart attack.
A small number of patients have had a sudden loss of eyesight after taking Caverta 100mg. This type of vision loss is caused by decreased blood flow to the optic nerve of the eye. It is not clear whether Caverta 100mg is the actual cause of such vision loss. Sudden vision loss with Caverta 100mg use has occurred most often in people with heart disease, diabetes, high blood pressure, high cholesterol or certain pre-existing eye problems, and in those who smoke or are over 50 years old.
Before taking Caverta 100mg, tell your doctor if you have:
heart disease or heart rhythm problems
a recent history (in the past 6 months) of a heart attack, stroke or heart rhythm disorder
congestive heart failure
high or low blood pressure
coronary artery disease
liver disease
kidney disease
a blood cell disorder such as sickle cell anemia, multiple myeloma or leukemia
a bleeding disorder such as hemophilia
a stomach ulcer
retinitis pigmentosa (an inherited condition of the eye)
a physical deformity of the penis (such as Peyronie's disease)or
if you have been told you should not have sexual intercourse for health reasons.
If you have any of these conditions, you may not be able to use Caverta 100mg or you may need a dosage adjustment or special tests during treatment.
FDA pregnancy category B: This medication is not expected to be harmful to an unborn baby. Do not use Caverta 100mg without telling your doctor if you are pregnant or plan to become pregnant during treatment.
Do not use this medication without telling your doctor if you are breast-feeding a baby. It is not known if Caverta 100mg passes into breast milk or if it could harm a nursing baby.
About other prescription and nonprescription medicines, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Taking Caverta 100mg together with certain medicines or products may cause serious, life-threatening side effects.
Side Effects of Caverta 100mg
Caverta 100mg is a well tolerated and free from significant side effects in the vast majority of men who are prescribed it. Caverta 100mg increases the blood flow which can have adverse affects on other organs or parts of the body, although these affects are usually mild. Most men who experience side effects carry on treatment regardless.
About 1% of men have notice a bluish or yellowish discolouration of their vision while taking Caverta 100mg which wears off after a few hours. Therefore, is not considered as a dangerous side effect.
Side effects that you should report to your doctor, if you have:
allergic reactions like skin rash, itching or hives, swelling of the face (Flushing), lips, or tongue
changes in hearing
breathing problems
Visual disorders/distortion - changes in vision, blurred vision, trouble telling blue from green color
chest pain
fast, irregular heartbeat
Priapism: prolonged painful erections, lasting more than 4 hours, which have the potential to cause permanent damage to the penis.
seizures
Side effects that usually do not require medical attention but if continues or get worst call your doctor, if you have:
diarrhea or indigestion
flushing which is redness of the skin, typically over the cheeks or neck
headache which is very common and can be treated with simple painkillers such as paracetamol
dizziness, if affected it is recommended not to drive or operate machinery.
nasal congestion or stuffy or runny nose
This list may not describe all possible side effects. Call your doctor for medical advice about side effects.
Using this medicine does not protect you or your partner against HIV infection (the virus that causes AIDS) or other sexually transmitted diseases.
Interaction with Caverta 100mg
Inform your doctor about any medications that you are taking including prescription medications, over the counter medications, vitamins, supplements and herbal remedies. Do not start, stop and change the dosage of any medicine without your doctor's permission.
Caverta 100mg may make you dizzy. Consumption of alcohol or marijuana can increase the risk of drowsiness. Do not operate machinery, drive a car or do anything that require alertness until you can do it safely. Understand how this medication affects you.
If you have the following conditions, you should not take Caverta 100mg without talking to your doctor:
Taking medicines called nitrates like amyl nitrite, isosorbide dinitrate, isosorbide mononitrate, nitroglycerin
Taking or intend to take methscopolamine nitrate
Taking riociguat (to treat high blood pressure in the lungs)
Taking Cisapride (gastroprokinetic agent)
Low or high blood pressure such as nitroprusside
Allergies or reactions to past ED treatments
Recent heart attack (within 6 weeks) or suffer from angina (heart pain on exertion) or any form of heart disease
History of strokes or mini-strokes (transient ischaemic attack)
History of vision problems caused by circulation problems
History in the family of rare degenerative eye disease
Serious kidney (renal) or liver disease
Peyronie's disease; angulation or deformity of the penis
Alpha blockers, such as alfuzosin, doxazosin, prazosin, tamsulosin, and terazosin
Leukaemia, multiple myeloma or sickle cell disease
Bleeding disorders (such as haemophilia)
Current active stomach ulcers (peptic ulcer or gastric ulcer)
Lactose intolerant (tablets contain lactose)
Norvasc, in Amturnide, in Tekamlo (amlodipine)
Antifungal medication such as itraconazole and ketoconazole
Anticoagulant such as warfarin
Certain barbiturates such as butalbital and secobarbital
Beta-blockers, such as atenolol, labetalol, metoprolol, nadolol, and propranolol
Erythromycin
nevirapine
HIV protease inhibitors such as atazanavir, darunavir, fosamprenavir, indinavir, lopinavir, nelfinavir, ritonavir, saquinavir, and tipranavir
Medications for seizures such as carbamazepine, phenytoin
Antibiotic used for bacterial infections such as rifabutin
rifampin
St. John's wort
If you are taking any of these medicines, tell your doctor immediately. Taking these medicines with Caverta 100mg could create the potential for serious and/or life-threatening side-effects or stop Caverta 100mg from working properly.
Storage of Caverta 100mg
Keep this medicine out of the sight and reach of children.
Store at 15°C - 30°C (59°F - 77°F); protect drug from excessive light, humidity, and temperature over 30°C (86°F)
Keep Caverta 100mg tablets in the container that they came in and keep the container tightly closed.
Throw away capsules that are no longer needed or expired (out of date).
Medicines should not be disposed of via waste water or household waste. Ask your pharmacist how to dispose of medicines no longer required. This will help to protect the environment.
Caverta 100mg should not be used after the given expiration date.
Scientific Information about Caverta 100mg or Generic Viagra
Formula: Caverta 100mg (Sildenafil) | C22H30N6O4S
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