BLOCADREN (Timolol Maleate) is a non-selective beta-adrenergic receptor blocking
agent. The chemical name for timolol maleate is (S)-1-[(1,1-dimethylethyl)amino]-3-[[4-(4-morpholinyl)-1,2,5-thiadiazol-3-yl]oxy]-2-propanol
(Z)-2-butenedioate (1:1) salt. It possesses an asymmetric carbon atom in its
structure and is provided as the levo isomer. Its empirical formula is C13H24N4O3S•C4H4O4
and its structural formula is:
Timolol maleate has a molecular weight of 432.50. It is a white, odorless, crystalline powder which is soluble in water, methanol, and alcohol.
BLOCADREN (timolol) is supplied as tablets in three strengths containing 5 mg, 10 mg or 20 mg timolol maleate for oral administration. Inactive ingredients are cellulose, FD&C Blue 2, magnesium stearate, and starch.
What are the possible side effects of timolol (Blocadren)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- slow or uneven heartbeats;
- feeling light-headed, fainting;
- feeling short of breath, even with mild exertion;
- swelling of your ankles or feet;
- nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
- depression; or
- cold feeling...
Read All Potential Side Effects and See Pictures of Blocadren »
Last reviewed on RxList: 12/9/2008
This monograph has been modified to include the generic and brand name in many instances.