Information about Tenex: Includes the warnings, side effects, precautions and drug interactions.
IMPORTANT NOTE | TITLE | HOW TO PRONOUNCE | COMMON BRAND NAMES | USES | OTHER USES | HOW TO TAKE | SIDE EFFECTS | PRECAUTIONS | DRUG INTERACTIONS | OVERDOSE | NOTES | MISSED DOSE | STORAGE
The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.
TITLE GUANFACINE - ORAL
HOW TO PRONOUNCE (GWAN-fuh-seen)
COMMON BRAND NAMES Tenex
USES This medication is used to treat high blood pressure.
HOW TO TAKE
Take this medication exactly as prescribed. Try to take
it at the same time(s) each day, usually at bedtime. This medication may be
taken with food if stomach irritation occurs. It is important to continue taking
this medication even if you feel well. Most people with high blood pressure do
not feel sick. Do not stop taking this medication suddenly without consulting
your doctor. Some conditions may become worse when the medication is stopped
Dizziness, drowsiness, headache, constipation, gas
pains, diarrhea, loss of appetite, fatigue, and nasal congestion may occur. If
these symptoms persist or worsen, notify your doctor. Inform your doctor if you
develop: chest pain, shortness of breath, skin rash, swelling of the hands or
feet, blurred vision, yellowing of the eyes or skin. Inform your doctor if you
experience any of these symptoms: mental/mood changes, tingling of the hands or
feet, dry mouth, impotence, decreased sexual desire, vision changes, taste
changes, ringing in the ears, leg cramps. If you notice other effects not listed
above, contact your doctor or pharmacist.
Tell your doctor your medical history, especially of:
heart or circulatory problems, kidney or liver disease, any allergies. Limit
your intake of alcoholic beverages while taking this medication. Alcohol can
lead to excessive drowsiness, dizziness or fainting. Also, avoid hot showers,
saunas and prolonged exercise since excessive heat can intensify dizziness.
Caution is advised when performing tasks requiring alertness (e.g., driving),
since this drug may cause drowsiness. To minimize dizziness and lightheadedness
when rising from a seated or lying position, get up slowly Before having
surgery, including dental surgery, tell the doctor or dentist in charge about
your blood pressure medications. Caution is advised when using this drug in the
elderly because they may be more sensitive to the side effects of the drug. This
medication should be used only when clearly needed during pregnancy. Discuss the
risks and benefits with your doctor. It is not known if guanfacine passes into
breast milk. Consult your doctor before breast-feeding.
Tell your doctor of all prescription and nonprescription
drugs you may use, including: barbiturates, tranquilizers, medications for
depression or allergies, narcotic pain medication, other drugs that make you
drowsy (such as certain antihistamines and anti-seizure drugs). Do not take any
medication for coughs, colds or allergies without first checking with your
doctor or pharmacist. Some of these products contain ingredients that can
increase blood pressure or cause drowsiness (e.g., antihistamines such as
diphenhydramine). Do not start or stop any medicine without doctor or pharmacist
If overdose is suspected, contact your local poison
control center or emergency room immediately. US residents can call the US
national poison hotline at 1-800-222-1222. Canadian residents should call their
local poison control center directly. Symptoms of overdose may include
drowsiness, sluggishness, and slowed heartbeat.
It is important to have your blood pressure checked
regularly while taking this medication. Learn how to monitor your blood
pressure. Discuss this with your doctor or pharmacist. Do not allow anyone else
to take this medication.
If you miss a dose, take as soon as remembered; do not
take if it is almost time for the next dose, instead, skip the missed dose and
resume your usual dosing schedule. Do not "double-up" the dose to catch up.
Check with your doctor if 2 or more doses have been missed.
STORAGE Store at room temperature away from sunlight and moisture.