Drug Interaction Report
2 potential interactions and/or warnings found for the following 2 drugs:
- Pep-Back Ultra (caffeine)
- tizanidine
Interactions between your drugs
caffeine tiZANidine
Applies to: Pep-Back Ultra (caffeine), tizanidine
Caffeine may significantly increase the blood levels and effects of tiZANidine in some patients. This may cause blood pressure to fall excessively, especially when you rise from a sitting or lying position. The risk of other side effects such as drowsiness, dizziness, lightheadedness, fainting, and irregular heart rhythm may also increase. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.
Drug and food interactions
caffeine food
Applies to: Pep-Back Ultra (caffeine)
Information for this minor interaction is available on the professional version.
Therapeutic duplication warnings
No duplication warnings were found for your selected drugs.
Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.
Report options
- Switch to professional interaction data
- Email this report to a friend, doctor, or patient
- Ask questions, find answers
Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
| No interaction information available. |
See also:
Theo-Dur
Theo-Dur is used for apnea of prematurity, asthma, acute, asthma, maintenance
Botox
Botox is used for cosmetic purposes and to treat overactive bladder symptoms, urinary incontinence ...
Theo-24
Theo-24 is used for apnea of prematurity, asthma, acute, asthma, maintenance
Uniphyl
Uniphyl is used for apnea of prematurity, asthma, acute, asthma, maintenance
Elixophyllin
Elixophyllin is used for apnea of prematurity, asthma, acute, asthma, maintenance
Learn more
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Check Interactions
To view an interaction report containing 4 (or more) medications, please sign in or create an account.
Save Interactions List
Sign in to your account to save this drug interaction list.