Carteolol Side Effects

Not all side effects for carteolol may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

For the Consumer

Applies to carteolol: oral tablet

Get emergency medical help if you have any of these signs of an allergic reaction while taking carteolol: 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 in your hands and feet.

Less serious side effects of carteolol may include:

  • decreased sex drive, impotence, or difficulty having an orgasm;

  • sleep problems (insomnia);

  • tired feeling; or

  • anxiety, nervousness.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

For Healthcare Professionals

Applies to carteolol: oral tablet


Carteolol is generally well-tolerated. Side effects are usually mild and transient.

Nervous system

Nervous system side effects include headache in up to 1% to 17%, asthenia in 8%, insomnia in 5%, dizziness in 8%, paresthesias in 2%, and vertigo, nervousness, headache or fatigue in 1% of patients.


Cardiovascular problems include chest pain in 2% and edema in 1% of patients. Carteolol may cause or worsen AV heart block. In the rare cases of new or worsened congestive heart failure that are associated with carteolol, a cause-and-effect relationship is not established.

The etiology of "chest pain" was not described in studies and reviews from the medical literature.


Gastrointestinal complaints of abdominal or epigastric pain in 1% to 7% and diarrhea or nausea in 2% of patients is reported.


Respiratory side effects are rare. Cough, pharyngitis, or sinusitis are reported in 1% to 5% of patients. Dyspnea is reported rarely. Patients with a history of reactive airways disease may be more likely to become short of breath while taking carteolol, as during therapy with any beta-blocker.


Musculoskeletal pain is reported in approximately 3% to 13% of patients.

Carteolol and pindolol, beta-adrenergic receptor antagonists with intrinsic sympathomimetic activity (ISA), have more commonly been associated with muscle cramps and elevated serum creatine phosphokinase (CK) levels than beta-blockers without ISA.


Genitourinary complaints of impotence are reported in less than 1% of male patients.


Psychiatric side effects including reports of depression have been associated with carteolol.

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