Estrogens/Xanthine Derivatives Interactions
This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.
Medical warning:
Moderate. These medicines may cause some risk when taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
When estrogens are taken with theophylline, your body may not process theophylline properly.
What might happen:
Your blood levels of theophylline may increase and cause toxic effects.
What you should do about this interaction:
If you experience loss of appetite, nausea, vomiting, nervousness, agitation, headache, fast and/or irregular heartbeat, or seizures, contact your healthcare professionals (e.g. doctor or pharmacist). They may already be aware of this drug interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.