S 90 3 (Alprazolam 2 mg)

S 903 is a green, rectangular, pill manufactured by Dava Pharmaceuticals Inc.. This medicine is used to treat anxiety and panic disorders and belongs to the drug class benzodiazepines.

Benzodiazepines work in the central nervous system producing a calming and sedating effect upon administration. They may also be used as a muscle relaxant, during alcohol withdrawal, or before surgery to induce relaxation and amnesia or memory loss. Alprazolam is such a medicine that affects chemicals in the brain which may be unbalanced in some people.

This pill is available in a variety of dosage forms and in less generic forms. When used to help sleep at night, short-acting version is less likely to cause daytime sedation.

Alprazolam is effective at treating anxiety but may cause addiction and severe withdrawal symptoms. Generally, elderly, children, and people with medical conditions are more at risk of developing a wider range of side effects.

Side effects

Drowsiness, slurred speech, lack of balance, memory problems and anxiety in the morning may be experienced. Inform the doctor if symptoms don’t go away.

Seek emergency help as soon as you experience mood or behavioral changes, suicidal thoughts, unusual risk-taking behavior, confusion, hallucination, tremors, involuntary muscle movements, fluttering chest, and heartbeat.

Allergic reactions may occur in rare instances such as hives; difficult breathing; and swelling of your face, lips, tongue, or throat. Immediately call for help with these symptoms.

If you experience other side effects not listed above, immediately call the doctor or seek emergency help right away.


 Inform the doctor if you have allergies to alprazolam or to any similar medicines.

Tell the doctor your medical history, and the medicines being used to avoid drug interaction and unwanted side effects.

This drug causes drowsiness and dizziness. Do not drive or operate machinery while taking this medicine. Use with caution among elderly for risk of accident and falls.

Do not take alcohol or grapefruit while taking this drug to avoid unwanted side effects.

Alprazolam is not recommended for use during pregnancy, when planning to get pregnant, or breastfeeding. It is not approved for use by children below 18 years old.

Immediately call the doctor with these overdose symptoms: extreme drowsiness, confusion, muscle weakness, loss of balance or coordination, light-headedness, and fainting.

Withdrawal symptoms such as blurred vision, insomnia, sweating and seizures may occur when use of this medicine is stopped immediately. Discontinue only with doctor’s advice. Use the medicine as prescribed and follow doctor’s order.

Do not take extra medicine in case of a missed dose. Skip the schedule if it is almost time for the next dose or take the medicine as soon as you remember.

This drug is habit-forming and can be misused. Use by someone to whom this medicine is not prescribed can cause addiction, overdose or even death.

Do not purchase this medicine from the internet. Sale and distribution via internet sales may not be safe for use.


Extended-release tablets should be taken in the morning, swallowed whole, and not crushed or chewed.

Use a calibrated dropper/syringe or measuring spoon for liquid form of this medicine.

Orally-disintegrating tablets should be placed in the tongue with dry hands and allowed to dissolve not crushed or chewed.

To minimize dizziness or light-headedness, rise slowly from a sitting or lying position.

Store at room temperature away from moisture and heat.

Keep away from children and pets and store in a safe place away from others.


This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment.

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