IMPORTANT:
A few patients after taking Cialis have experienced loss of eyesight in one eye. This vision loss is referred to NAION, or non-arteritic anterior ischemic optic neuropathy. This occurs as a result of blocked blood flow to the optic nerve. So far, it is not known if Cialis causes NAION, since it also happens with patients who are not on Cialis. However, people who possess the following attributes are known to be at a higher risk for NAION:
- If you have diabetes
- If you have high blood pressure
- If you have heart disease
- If you are over 50
- If you have high cholesterol
- If you smoke
- If you have other eye problems already
If you lose eyesight in any way, it is strongly advised to stop using Cialis and get medical attention.
If you are using any of the following medications, you should not take Cialis with them:
- any alpha blocker other than Flomax (tamsulosin) in a dosage of .4 mg once a day. Examples are Hylorel (guanadrel), Minipress (prazosin), Hytrin (terazosin) and others.
- nitrates such as nitroglycerin, isosorbide mononitrate, isosorbide dinitrate, and others, as well as nitrates that are found in various recreational drugs.
If you aren't sure about the drugs you're currently taking, and the interaction with Cialis, it is strongly advised to speak to your doctor and divulge all the drugs you're currently on, recreational or not, to make sure Cialis is right for you.
Using Cialis in conjunction with any of the above-listed medications may cause a drop in blood pressure, which can result in dizziness, fainting, stroke or a heart attack in extreme cases.
If you have an erection that lasts longer than 4 hours, you should call your doctor or seek emergency medical attention, since having a prolonged erection for that long can cause damage to the penis. Do not engage in sexual activity and contact your doctor if you experience dizziness, nausea, vomiting, or angina (experiencing pain, tightness, discomfort, numbness or tingling in the arms, neck, chest or jaw) during sexual activity.
Cialis is normally taken as needed before you engage in sexual activity. The effects of the pill can last up to 36 hours or more. This is why it's important to have your doctor determine how often you can take Cialis, and why it's important to not take Cialis more often than is directed.
What exactly is Cialis?
Cialis is a drug that was formulated to aid in the blood flow to the penis to help relieve the stress of erectile dysfunction. When Cialis is taken, it relaxes muscles within the penis, allowing increased blood flow into the penis, which is necessary for the promotion, and maintaining, of an erection. Cialis is mainly prescribed to treat ED (erectile dysfunction), also known as impotence. Cialis may also be utilized for other purposes not listed in this Cialis medication guide.
What do I need to discuss with my health care provider before taking Cialis?
A few patients after taking Cialis have experienced loss of eyesight in one eye. This vision loss is referred to NAION, or non-arteritic anterior ischemic optic neuropathy. This occurs as a result of blocked blood flow to the optic nerve. So far, it is not known if Cialis causes NAION, since it also happens with patients who are not on Cialis. However, people who possess the following attributes are known to be at a higher risk for NAION:
- If you have diabetes
- If you have high blood pressure
- If you have heart disease
- If you are over 50
- If you have high cholesterol
- If you smoke
- If you have other eye problems already
If you lose eyesight in any way, it is strongly advised to stop using Cialis and get medical attention.
If you are using any of the following medications, you should not take Cialis with them:
- any alpha blocker other than Flomax (tamsulosin) in a dosage of .4 mg once a day. Examples are Hylorel (guanadrel), Minipress (prazosin), Hytrin (terazosin) and others.
- nitrates such as nitroglycerin, isosorbide mononitrate, isosorbide dinitrate, and others, as well as nitrates that are found in various recreational drugs.
If you aren't sure about the drugs you're currently taking, and the interaction with Cialis, it is strongly advised to speak to your doctor and divulge all the drugs you're currently on, recreational or not, to make sure Cialis is right for you. Be sure to discuss with your doctor about using Cialis, before using it, if you suffer from any of these conditions:
- low or high blood pressure that is not controlled
- have a history of heart problems, such as heart failure, irregular heartbeats, angina, or have experienced a heart attack
- had a stroke
- kidney problems
- liver problems
- bleeding disorder
- stomach ulcer
- blood cell problems, such as leukemia, sickle cell anemia, or multiple myeloma
- retinitis pigmentosa
- erections that lasted longer than 4 hours
- a physical deformity of the penis, such as Peyronie's Disease.
If you suffer from any of these ailments, you either may not be able to take Cialis, or you may be required to receive an adjustment in dosage or special monitoring during the period you are on Cialis.
Cialis is specially formulated for men, and should not be taken by women. Even though it is not a medication for women, it has been classified as FDA pregnancy category B, which means that Cialis is not expected to do harm to an unborn baby. Currently, it is not known whether or not Cialis can be passed into breast milk.
For men who are over the age of 65, the risk of experiencing the side effects of Cialis are increased. For this reason, your doctor may prescribe a lower dosage for you if you qualify.
How do I take Cialis?
Cialis should be taken exactly as told by your doctor. If you find yourself not understanding the dosage directions, make sure to ask your doctor, a pharmacist, or a nurse to explain them to you until you understand. Each dose should be taken with a full glass of water.
Cialis is taken normally as needed before having sexual activity. It can help you maintain an erection as sexual stimulation occurs, but will not just occur by taking a pill, meaning it doesn't just happen just because you took the pill. The effects of Cialis can last up to and over 36 hours. This is why it's important to speak to your doctor about the required dosage, and how often you can take Cialis.
Cialis can be taken with or without food, but it should not be taken while imbibing excessive amounts of alcohol. This may increase the risk of such events as headaches, dizziness, low blood pressure or an increased heart rate when Cialis is taken. Contact your doctor if you experience dizziness, nausea, vomiting, or angina (experiencing pain, tightness, discomfort, numbness or tingling in the arms, neck, chest or jaw) during sexual activity, or after sexual activity. If you have an erection that lasts longer than 4 hours, seek emergency medical attention, since a prolonged erection can damage the penis.
If you eat grapefruit, or drink grapefruit juice, you should discuss this part of your diet with your doctor, as the interaction with Cialis could cause potential adverse effects. Don't decrease or increase the amount of grapefruit you currently use without discussing it with your doctor. Be sure to store Cialis at room temperature, away from moisture and heat.
What happens if I miss a dose?
Cialis is used as needed, so you are not likely to miss a dose.
What should I do if I overdose on Cialis?
Emergency medical attention should be sought immediately if an overdose occurs, since currently, the symptoms of an overdose on Cialis is unknown.
What should be avoided while I taking Cialis?
You should not be on any other erectile dysfunction or impotence drugs, such as Viagra (sildenafil), alprostradil (common names Muse, Caverject or Edex), Levitra (vardenafil), or yohimbine (common names Yocon, Yodoxin or others) without first discussing it with your doctor. Excessive alcohol drinking (5 or more drinks) should be avoided while taking Cialis, since it may increase the risk of headaches, dizziness, low blood pressure or an increased heart rate when Cialis is taken. Grapefruit and grapefruit juice, as well as other products that contain grapefruit may interact with Cialis, leading to potential adverse effects, which is why you should discuss it with your doctor if grapefruit products are part of your diet before making any kinds of changes.
What side effects are possible while taking Cialis?
Stop taking Cialis immediately and obtain emergency medical attention or contact your doctor at once if you experience any of the following:
- chest pain or an irregular heartbeat
- an allergic reaction to the pill, whether it be difficulty breathing, closing of your throat, swelling of your face, lips or tongue, or hives
- dizziness, nausea, vomiting or any symptoms of angina (including pain, tightness, discomfort, numbness or tingling in the arms, neck, chest or jaw)
- swelling of your legs or ankles
- shortness of breath
- a prolonged erection lasting for more than 4 hours
- severe or prolonged dizziness
There are also less severe side effects which are more likely to occur than the above stated side effects. You should continue to take Cialis, but discuss the following symptoms with your doctor:
- indigestion
- headache
- muscle aches
- back pain
- flushing
- runny or stuffy nose
Another uncommon side effect is that you may experience a temporary blue tint in your vision, or have difficulty distinguishing the differences between blue and green colors. Even though this is extremely uncommon, it is advised to talk to your doctor if you are experiencing these systems. Other side effects besides the ones listed here may occur, and you should talk to your doctor about any side effects that you experience while you are on Cialis that may be unusual or bothersome.
What kind of drugs should I avoid while on Cialis?
You should avoid the following drugs if you are currently on Cialis, or not take Cialis if you are on the following drugs:
- any alpha blocker other than Flomax (tamsulosin) in a dosage of .4 mg once a day. Examples are Hylorel (guanadrel), Minipress (prazosin), Hytrin (terazosin) and others.
- nitrates such as nitroglycerin, isosorbide mononitrate, isosorbide dinitrate, and others, as well as nitrates that are found in various recreational drugs.
If you aren't sure about the drugs you're currently taking, and the interaction with Cialis, it is strongly advised to speak to your doctor and divulge all the drugs you're currently on, recreational or not, to make sure Cialis is right for you.
Using Cialis in conjunction with any of the above-listed medications may cause a drop in blood pressure, which can result in dizziness, fainting, stroke or a heart attack in extreme cases.
Before you start taking Cialis, you should tell your doctor if you are currently taking any of the following drugs:
- other drugs that treat impotence or erectile dysfunction, such as Viagra (sildenafil), alprostradil (common names Muse, Caverject or Edex), Levitra (vardenafil), or yohimbine (common names Yocon, Yodoxin or others)
- Erythromycin, which is an antibiotic (Common names Eryc, E-Mycin, Ery-Tab and others)
- if you're on an anti-fungal medications, such as itraconazole (common name Sporanox) or ketoconazole (Nizoral)
- If you're currently taking any HIV medications, such as ritonavir (Norvir), indinavir (Crixivan) or any others.
If you are on any of these medications, you may not be able to take Cialis, or you may have your dosage adjusted or special monitoring. This is why it is important to divulge all drugs you are currently taking to your doctor to make sure that Cialis is right for you. Ask your doctor, pharmacist or nurse about any further information about Cialis.
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