Primatene Tablets

  • Asthma/COPD

Primatene Tablets Generic Name & Formulations

General Description

Ephedrine HCl 12.5mg.

Pharmacological Class


How Supplied

Tabs—24, 60

How Supplied

Primatene Tablets are supplied as: packs of 24 packs of 60


Store at 20-25°C (68-77°F).

Generic Availability


Primatene Tablets Indications


Temporary relief of mild symptoms of intermittent asthma (eg, wheezing, tightness of chest, shortness of breath).

Primatene Tablets Dosage and Administration


Do not exceed recommended dose. 1–2 tabs every 4 hours as needed. Max: 12 tabs per 24 hours.


<12yrs: not recommended.

Primatene Tablets Contraindications


During or within 14 days of MAOIs.


If currently taking a prescription monoamine oxidase inhibitor (MAOI) (eg, certain drugs taken for depression, psychiatric or emotional conditions, or Parkinson’s disease), or for 2 weeks after stopping the MAOI drug.
History of an allergic reaction to this product or any of its ingredients.

Primatene Tablets Boxed Warnings

Not Applicable

Primatene Tablets Warnings/Precautions


Asthma associated hospitalization. Cardiac disease. Hypertension. Diabetes. Thyroid disease. Seizures. Narrow angle glaucoma. Psychoses. Difficulties urinating. Enlarged prostate gland. Seek medical evaluation if symptoms worsen or do not improve within 60mins, or need 12 tabs in any day, or use >8 tabs/day for 3 or more days a week, or have >2 asthma attacks/week. Pregnancy. Nursing mothers.


Primatene tablets will not give you asthma relief as quickly as an inhaled bronchodilator.

Pregnancy Considerations

Consult a health provider prior to use.

Nursing Mother Considerations

Consult a health provider prior to use.

Primatene Tablets Pharmacokinetics

See Literature

Primatene Tablets Interactions


Avoid caffeine-containing products, stimulant dietary supplements. Caution with other sympathomimetics (eg, phenylephrine, pseudoephedrine, ephedrine), antiasthmatics, weight control agents, antidepressants, antipsychotics, sedatives.

Primatene Tablets Adverse Reactions

Adverse Reactions

Insomnia, tachycardia, tremors, nervousness, seizures.

Primatene Tablets Clinical Trials

See Literature

Primatene Tablets Note

Not Applicable

Primatene Tablets Patient Counseling

Patient Counseling

Keep out of reach of children. In case of overdose, get medical help. Contact a Poison Control Center right away.