The blue, elliptical / Oval Pill with imprint G3721 has been identified as Alprazolam 1 mg. It is supplied by Greenstone Limited. Alprazolam is used in the treatment of anxiety; panic disorder; depression and belongs to the drug class benzodiazepines. G3721 pill classified as a Schedule 4 controlled substance under the Controlled Substance Act (CSA) and it’s also known as the blue football Xanax.


What is the most important information I should know about G3721?

You should not use this medicine if you have narrow-angle glaucoma, if you also take itraconazole or ketoconazole, or if you are allergic to G3721 or similar medicines (Valium, Ativan, Tranxene, and others).

  • Do not use G3721 if you are pregnant. This medicine can cause birth defects or life-threatening withdrawal symptoms in a newborn.


  • G3721 may be habit-forming. Misuse of habit-forming medicine can cause addiction, overdose, or death.


What is G3721?

  • G3721 is a benzodiazepine (ben-zoe-dye-AZE-eh-peen). G3721 affects chemicals in the brain that may be unbalanced in people with anxiety.


  • G3721 is used to treat anxiety disorders, panic disorders, and anxiety caused by depression.


  • G3721 may also be used for purposes not listed in this medication guide.


What should I discuss with my healthcare provider before taking G3721?

It is dangerous to purchase G3721 Xanax on the Internet or from vendors outside the United States. Medications distributed from Internet sales may contain dangerous ingredients, or may not be distributed by a licensed pharmacy. The sale and distribution of G3721 outside the U.S. does not comply with the regulations of the Food and Drug Administration (FDA) for the safe use of this medication.

You should not take G3721 if you have:

  • narrow-angle glaucoma;
  • if you are also taking itraconazole or ketoconazole; or
  • if you are allergic to G3721 or to other benzodiazepines, such as chlordiazepoxide (Librium), clorazepate (Tranxene), diazepam (Valium), lorazepam (Ativan), or oxazepam (Serax).

To make sure G3721 is safe for you, tell your doctor if you have:

  • seizures or epilepsy;
  • kidney or liver disease (especially alcoholic liver disease);
  • asthma or other breathing disorder;
  • open-angle glaucoma;
  • a history of depression or suicidal thoughts or behavior;
  • a history of drug or alcohol addiction; or
  • if you also use a narcotic (opioid) medication.

Do not use G3721 if you are pregnant. This medicine can cause birth defects. Your baby could also become dependent on the drug. This can cause life-threatening withdrawal symptoms in the baby after it is born. Babies born dependent on habit-forming medicine may need medical treatment for several weeks. Tell your doctor if you are pregnant or plan to become pregnant. Use effective birth control to prevent pregnancy while you are taking G3721.

G3721 can pass into breast milk and may harm a nursing baby. You should not breast-feed while you are using G3721.


The sedative effects of G3721 Xanax may last longer in older adults. Accidental falls are common in elderly patients who take benzodiazepines. Use caution to avoid falling or accidental injury while you are taking G3721.


G3721 is not approved for use by anyone younger than 18 years old.


How should I take G3721?

Follow all directions on your prescription label. Never use G3721 in larger amounts, or for longer than prescribed. Tell your doctor if the medicine seems to stop working as well in treating your symptoms.


G3721 may be habit-forming. Never share this medicine with another person, especially someone with a history of drug abuse or addiction. Keep the medication in a place where others cannot get to it.


Misuse of habit-forming medicine can cause addiction, overdose, or death. Selling or giving away this medicine is against the law.


Do not swallow the orally disintegrating tablet whole. Allow it to dissolve in your mouth without chewing.


Do not crush, chew, or break an extended-release tablet. Swallow it whole.


Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.


Call your doctor if this medicine seems to stop working as well in treating your panic or anxiety symptoms.


Do not stop using G3721 suddenly, or you could have unpleasant withdrawal symptoms. Ask your doctor how to safely stop using G3721.


If you use this medicine long-term, you may need frequent medical tests.


Store at room temperature away from moisture and heat.


Keep track of the amount of medicine used from each new bottle. G3721 is a drug of abuse and you should be aware if anyone is using your medicine improperly or without a prescription.


What happens if I miss a dose of G3721 pill?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.


What happens if I overdose on G3721?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of G3721 can be fatal. Overdose symptoms may include extreme drowsiness, confusion, muscle weakness, loss of balance or coordination, feeling light-headed, and fainting.


What should I avoid while taking G3721 pill?

G3721 pill may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.

Avoid drinking alcohol. Dangerous side effects could occur.

Grapefruit and grapefruit juice may interact with G3721 and lead to unwanted side effects. Discuss the use of grapefruit products with your doctor.


What are the possible side effects of G3721?

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.


Call your doctor at once if you have:

  • depressed mood, thoughts of suicide or hurting yourself;
  • racing thoughts, increased energy, unusual risk-taking behavior;
  • confusion, agitation, hostility, hallucinations;
  • uncontrolled muscle movements, tremor, seizure (convulsions); or
  • pounding heartbeats or fluttering in your chest.

Common side effects may include:

  • drowsiness, feeling tired;
  • slurred speech, lack of balance or coordination;
  • memory problems; or
  • feeling anxious early in the morning.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


What other drugs will affect G3721?

Taking G3721 Xanax with other drugs that make you sleepy or slow your breathing can cause dangerous side effects or death. Ask your doctor before taking a sleeping pill, narcotic pain medicine, prescription cough medicine, a muscle relaxer, or medicine for anxiety, depression, or seizures.

Tell your doctor about all your current medicines and any you start or stop using, especially:

  • cimetidine;
  • digoxin;
  • fluvoxamine;
  • nefazodone;
  • ritonavir or other medicines to treat HIV or AIDS; or
  • antifungal medicine –fluconazole, voriconazole.

This list is not complete. Other drugs may interact with G3721, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.


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