1.Nitrates (e.g., nitroglycerin, isosorbide dinitrate): Cialis and nitrates both lower blood pressure. Taking them together can cause a significant and potentially life-threatening drop in blood pressure (hypotension), leading to dizziness, fainting, or even heart attack or stroke. It is contraindicated to use Cialis with nitrates or recreational "poppers" (amyl nitrites).
2.Alpha-blockers (e.g., prazosin, terazosin, tamsulosin): Both Cialis and alpha-blockers relax blood vessels, which can lead to excessive blood pressure reduction when used together. This may result in dizziness, fainting, or orthostatic hypotension (a sudden drop in blood pressure when standing). If needed, your doctor may adjust the dosage or recommend spacing the medications.
3.Other antihypertensive drugs (e.g., atenolol, propranolol, enalapril, lisinopril): Cialis can enhance the blood-pressure-lowering effects of these medications. While this interaction is usually less severe than with nitrates or alpha-blockers, it can still cause dizziness or fainting in sensitive individuals. Close monitoring of blood pressure is recommended.
Cialis (tadalafil) can interact with certain foods and beverages, potentially altering its effectiveness or increasing the risk of side effects. Here are the key drug-food interactions to be aware of:
Ex. Vardenafil
Last updated 13 November 2023
The Viagra patent for the drug has expired at most US pharmacies, but many people are taking the chance of it expiring.
The patent expired on Dec 14, 2018, meaning that generic manufacturers can now produce their own versions of Viagra without the need for the patent expiry.
Currently, Viagra is manufactured under various patents, includingPropecia,sildenafilVardenafilLevitra, andTadalafil.
The Viagra patent for the drughas expired, so most men taking the medicineviagraare now taking the same drug.propeciaandtadalafilcan now be purchased without the patent expiry.
The first versions of the drugtaken simultaneously, but this patent only covers the first two.The effects of these two medications are identicalViagra and generic tadalafil arecompletely identical
The drugpatently meets the needs of patientsby working only to increase blood flow to the penis, which is why men who take generic Viagra for sexual problems like prostate and throat infections and angina are also taking this drug.
The typical starting dose of Viagra for men over 18 is 50 mg taken three times a day. Depending on how long you take Viagra it may take up to a week before someone has an effect. For
taken for more than 10 days, a lower dose is required.
A starting dose of 100 mg is recommended, but it may take longer to work before a noticeable difference is seen. It is important to take Viagra consistently at the same time every day.
elderly people take a starting dose of 50 mg a day, but it may take longer before a noticeable difference is seen.
For the
treatment of pulmonary arterial hypertension
a starting dose of 100 mg is required for people starting the medication to see improvement in blood pressure. At
hiatuscare, the 100 mg dose usually becomes effective within 30 minutes, and the effect can last for up to four hours. The four-hour window is the longest effect of the medication.
Most people who take Viagra do so because they find it works well for them. Viagra is one of the most popular and effective medications used to treat erectile dysfunction, but it also works well for women and children.
There are also some studies that show that Viagra may help with
men with prostate and urinary symptoms caused by enlarged prostate glands, but there is limited clinical trial data on this. In fact, it is not clear from the studies whether Viagra can treat enlarged prostate glands or even
women with enlarged breasts and urinary symptoms caused by enlarged breasts, but there is not enough evidence to say that this is the case.
The typical starting dose of Viagra is 50 mg taken 3 times a day, and can be taken for up to 10 days. Depending on how
long-lasting the medication is and if it works, it may take longer to see the results.
The effects of Viagra and generic tadalafil are identical, so the person taking Viagra should not take more than one dose in a day. Taking more than one dose within 24 hours can increase the risk of side effects and may also increase the risk of drug interaction.
The starting dose of generic Viagra is also the same. However, generic tadalafil comes in different doses, so there may be other factors at play that affect the dosing schedule.
Yes, Viagra is a registered trademark of
the U. S. Pharmacopoeia.
In 2014, the Supreme Court of Canada invalidates a prescription drug patent held by a manufacturer of generic medicines,
where the patent expired in 2020.
Viagra has been shown to cause some mild side effects. Talk to your health care provider if these do not go away within a few days. If you begin to experience more serious reactions, seek medical attention immediately.
Common side effects reported from Viagra use include:
More severe side effects include:
If you experience any of these side effects, seek medical attention immediately. These are symptoms of a severe adverse reaction to this medication that require immediate treatment.
As with all prescription medications, inform your doctor of any medical conditions you currently manage. Tell them about any and all medications, prescription drugs, and supplements you are taking before starting treatment with Viagra. Viagra can interact with bodily substances, causing potentially serious adverse reactions.
Specifically, you should inform your health care provider of any nitrate medication you are taking. Remember to mention any herbal products you use, especially St. John’s wort.
In addition, let your doctor know if you have recently had heart surgery or experience chest pain during sex. If you experience any changes in your heartbeat or chest pain during sex, contact your health care provider immediately.
Show MoreuspressorPronunciation:ensus-ixie-P-uh-Sura
Alternative Name for UHS-Pronunciation: cleck-reexIn response to your story, we encourage you to report any negative side effects you have developed to your doctor. In addition, if you are a nursing mother or adult of child realysis, tell your doctor immediately.
Read Moreuspressor Read MoreIn addition, if you are a nursing or gender assigned-in-research candidate, your doctor may prescribe this medication only for your condition.
Read MoreuspressorPronunciation: cleck-reex
INDICATIONS
Viagra (sildenafil citrate) is a medication primarily used for the treatment of erectile dysfunction (ED) in men. Erectile dysfunction (ED) is the inability to achieve or maintain a hard erect penis suitable for sexual activity. It can have various causes, including psychological factors, cardiovascular disorders, diabetes, and vascular disease. In men with ED, sexual stimulation is often required to achieve or maintain an erection.
IMPORTANT SAFETY INFORMATION
Viagra is contraindicated in individuals with certain medical conditions. Men who take nitrates (e.g., nitroglycerin, isosorbide) for chest pain should not use Viagra.
STORAGE
Store Viagra at room temperature, away from moisture and direct heat.
WARNING
Viagra should be used under the supervision of a healthcare professional. Use this medication only to treat erectile dysfunction (ED). Do not use Viagra to treat any other condition, including a bladder condition.
CONTRAINDICATION
Hypersensitivity to sildenafil or to any of the other ingredients in Viagra.
STORANCES ANDWEATING
This medication is not recommended for use in patients with heart problems.
Do not use Viagra if you have had a heart attack within the last 90 days. If you have had a heart attack within the last month, and if the patient is not certain whether the condition is due to other medical conditions or other heart disease, talk to your healthcare provider.
Do not store in the bathroom. Keep all medications away from children and pets. Do not let an outdated or disabled tablet or pill be a part of your medicine. Viagra should not be used after the expiration date indicated. Keep all medications out of reach and sight of children.
STORANCIES
Keep all medicines out of the reach of children. Do not use this medication if the patient is under 18 years of age.
CONTRAINDICATIONS
Patients with diabetes mellitus (e.g., type 2) who are using nitrates (e.g., isosorbide) for chest pain. Patients with diabetes mellitus (e.g., type 2) who are using alpha-blockers (e.g., doxazosin, tamsulosin) for Raynaud’s disease. Patients with asthma (e.g., pholder’s) who are using sulfasalazine (e.g., budesonide) for asthma or chronic obstructive pulmonary disease (COPD).
Use of Viagra with other medications not listed in this leaflet may cause dizziness or fainting.
Keep Viagra out of the reach of children. Do not use this medication if the patient is 65 years or older.
Do not use Viagra if you are allergic to sildenafil citrate or any of the other ingredients of this medicine. If you are taking any of the other ingredients of this medicine, please refer to the package insert for the most complete information on the medication.
Viagra should not be used with other nitrates. Nitrates come in different strengths, such as 25 mg and 50 mg, which may cause side effects.
Do not use Viagra if you are taking any of the other ingredients listed above, or if the patient is taking any other medicines, including medicines obtained without a prescription.
Viagra is contraindicated in patients with certain medical conditions.
Sold and Supplied by Healthylife Pharmacy
This product is a Prescription Only Medicine (S4) and is sold by Healthylife Pharmacy, an independently owned and operated pharmacy business. This prescription product requires a valid Australian script.
Healthylife provides general product information such as nutritional information, country of origin and product packaging for your convenience. This information is intended as a guide only, including because products change from time to time. Please read product labels before consuming. For therapeutic goods, always read the label and follow the directions for use on pack. If you require specific information to assist with your purchasing decision, we recommend that you contact the manufacturer via the contact details on the packaging or email us at [email protected]. Product ratings and reviews are taken from various sources including Bazaarvoice. Healthylife does not represent or warrant the accuracy of any statements, claims or opinions made in product ratings and reviews.
GPL2.2022.3.