Cialis
Also see more information on CIALIS Oral from the
First Databank
drug library.
Brand name:
Cialis
Pronounced: See-AL-iss
Generic name: Tadalafil
Why is Cialis prescribed?
Cialis is an oral drug for male impotence, also known as
erectile dysfunction (ED). It works by dilating blood vessels in
the penis, allowing the inflow of blood needed for an erection.
Most important fact about Cialis
Cialis causes erections only during sexual excitement. It does
not work in the absence of arousal and does not increase sexual
desire.
How should you take Cialis?
Take one Cialis tablet before sexual activity, with or without
food. The best time to take Cialis depends on how and when the drug
works for you, but some men are able to have an erection 30 minutes
after taking it. Others are able to wait up to 36 hours after
taking Cialis before engaging in sexual activity.
--If you miss a dose...
Take Cialis only before sexual activity, but no more than once a
day. Do not take two doses at once.
--Storage instructions...
Store at room temperature.
What side effects may occur?
Side effects cannot be anticipated. If any develop or change in
intensity, tell your doctor as soon as possible. Only your doctor
can determine if it is safe to continue using Cialis.
-
More common side effects may include:
Arm and leg pain, back pain, flushing, headache,
indigestion, muscle aches, nasal congestion
This side effects list is not complete. If you have any
questions about side effects you should consult your doctor. Report
any new or continuing symptoms to your doctor right away.
Why should Cialis not be prescribed?
Do not take Cialis if you are taking any nitrate-based drug,
including nitroglycerin patches (Nitro-Dur, Transderm-Nitro),
nitroglycerin ointment (Nitro-Bid, Nitrol), nitroglycerin pills
(Nitro-Bid, Nitrostat), and isosorbide pills (Dilatrate-SR,
Isordil, Sorbitrate). This also includes street drugs known as
"poppers," including amyl nitrate and butyl nitrate. Combining
Cialis with any of these drugs can cause a dangerous drop in blood
pressure.
Likewise, do not take Cialis with certain blood pressure and
prostate drugs known as alpha-blockers, including Cardura
(doxazosin), Hytrin (terazosin), Minipress (prazosin), and
Uroxatral (alfuzosin). However, you can take the alpha-blocker
Flomax (tamsulosin) at a dose of 0.4 milligrams once a day.
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