When should you not take phenylephrine?
The 10% strength of phenylephrine shouldn’t be used in people with heart conditions or thyrotoxicosis (a thyroid condition). People with these conditions have a higher risk of experiencing heart attacks and heart rhythm problems (arrhythmias) after using this medication.
What are phenylephrine drops used for?
This medication is used to dilate the pupils for eye examinations or procedures, and to treat certain eye conditions. It belongs to a class of drugs known as decongestants. Phenylephrine works by narrowing blood vessels.
What does phenylephrine do in the eye?
Phenylephrine is a directly acting sympathomimetic agent used topically in the eye as a mydriatic. It may be indicated to dilate the pupil for diagnostic or therapeutic procedures. Apply one drop topically to each eye.
What is Naphazoline used for?
Naphazoline is a vasoconstrictor. It works by narrowing swollen blood vessels in the eyes to reduce eye redness. Pheniramine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of itchy or watery eyes.
What are the side effects of phenylephrine?
Mild upset stomach, trouble sleeping, dizziness, lightheadedness, headache, nervousness, shaking, or fast heartbeat may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. This product may reduce blood flow to your hands or feet, causing them to feel cold.
Can eye dilation drops affect blood pressure?
Conclusions: Dilating eye drops containing T+P exert a stronger mydriatic effect than T alone, especially in hypertensive patients undergoing antihypertensive therapy. Neither formulation appears to affect systemic blood pressure or heart rate.
Is phenylephrine safe to take?
Phenylephrine is approved by the U.S. Food and Drug Administration (FDA) and is safe and effective when used according to the Drug Facts label.
Can phenylephrine make you sleepy?
Decongestants. Since the main symptom of a cold is congestion in your nose and/or chest, cold medicines usually contain a decongestant ingredient. Examples include phenylephrine and pseudoephedrine. These typically do not cause drowsiness and can make some people feel hyper or more alert.
Is Naphazoline safe to use?
Proper Use Do not use naphazoline ophthalmic solution if it becomes cloudy or changes color. Naphazoline should not be used in infants and children . It may cause severe slowing down of the central nervous system (CNS), which may lead to unconsciousness. It may also cause a severe decrease in body temperature.
Is phenylephrine good for sinus infection?
Phenylephrine is used for the temporary relief of stuffy nose, sinus, and ear symptoms caused by the common cold, flu, allergies, or other breathing illnesses (e.g., sinusitis, bronchitis). This medication works by decreasing swelling in the nose and ears, thereby lessening discomfort and making it easier to breathe.
What is the active ingredient in minims Phenylephrine eye drops?
Minims Phenylephrine Eye Drops contains 2.5%w/v or 10%w/v of phenylephrine hydrochloride as the active ingredient. The eye drops do not contain any preservatives. Phenylephrine hydrochloride. Minims Phenylephrine Eye Drops containing phenylephrine hydrochloride 2.5% w/v (25 mg/mL) or 10% w/v (100 mg/mL).
How many mg of Phenylephrine should I take?
Adult: Mild to moderate: Initially, 2-5 mg as 1% solution via SC/IM, with further doses up to 1-10 mg after at least 15 minutes if necessary. Alternatively,100-500 mcg via slow IV inj as 0.1% solution, repeated as necessary every -15 minutes. Severe: Initially, up to 180 mcg/minute via infusion, adjusted to 30-60 mcg/minute according to response.
Are there any side effects to taking phenylephrine?
Potentially Fatal: Concomitant use with MAOIs (or within 14 days of stopping MAOIs) may result in paroxysmal hypertension and fatal hyperthermia. Description: Phenylephrine is a sympathomimetic amine that has direct effect on α-adrenergic receptors and an indirect effect of releasing norepinephrine from its storage sites.
Is it safe to take Minims hydrochloride 10%?
Minims ® Phenylephrine Hydrochloride 2.5% is indicated for children, adults and the elderly. Minims ® Phenylephrine Hydrochloride 10% is not indicated for children or the elderly, as this concentration is too strong. The doctor or eye specialist will use an alternative medicine in these patients.