Interactions Between Medications, Calcium, and Probiotics: What You Need to Know - Pharmacology

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The medications I take include calcium and probiotics?


Medications taken before bedtime include LEEYO (Escitalopram) 10 mg, Doxepin 25 mg (2 tablets), Lyrica 75 mg (2 tablets), Metformin 500 mg, Tamsulosin 0.2 mg, Ativan 0.5 mg (4 tablets), and Zolpidem (2 tablets).
These medications have been taken long-term and should not be discontinued.

Medications taken before breakfast include Lansoprazole 30 mg and Promethazine 5 mg (stomach coating tablet) followed by KASCOAL after meals.

Before lunch, Promethazine 5 mg (stomach coating tablet) is taken followed by KASCOAL after meals.

Before dinner, Promethazine 5 mg (stomach coating tablet) is taken followed by KASCOAL after meals.
KASCOAL is used for gastric ulcers and duodenal ulcers and is taken for a short duration of 2 to 3 months.

A dual-energy X-ray absorptiometry (DEXA) scan shows a bone mineral density T-score of -1.8.
The patient has type 2 diabetes and is on multiple medications.

1.
Ask the pharmacist if there are any interactions between the medications I am taking and calcium supplements or probiotics.

2.
Additionally, when should I take my calcium supplements and probiotics? I take one calcium citrate tablet containing 200 mg of calcium and 100 IU of vitamin D, with a total of four tablets per day: one taken with bedtime medications and one each in the morning, noon, and evening.
I also take one packet of probiotics daily.
Will the probiotics and calcium supplements interact with my medications? If there are no interactions, it should be fine to take them together.

ERIC, 30~39 year old female. Ask Date: 2020/04/05

Dr. Chen Yuemei reply Pharmacology


Hello: 1.
The calcium supplements and probiotics you are taking will not affect the long-term medications you are on.
2.
It is recommended to take calcium supplements with meals for better absorption; probiotics can be taken at any time, whether on an empty stomach, with meals, or after meals, and can be adjusted according to your preference.

Reply Date: 2020/04/05

More Info


When managing multiple medications, it's essential to understand potential interactions between those medications, as well as with dietary supplements like calcium and probiotics. Based on the medications you listed, let's break down the considerations regarding their interactions and the timing of calcium and probiotics.


1. Medication Interactions
You are taking a variety of medications, including:
- LEEYO (Escitalopram): An SSRI used for depression and anxiety.

- Doxepin: A tricyclic antidepressant that can also be used for insomnia.

- LYRICA (Pregabalin): Used for neuropathic pain and as an anticonvulsant.

- Metformin: A first-line medication for type 2 diabetes.

- Tamsulosin: Used for benign prostatic hyperplasia (BPH).

- Ativan (Lorazepam): A benzodiazepine for anxiety.

- Zolpidem: A sedative for insomnia.

- Lansoprazole: A proton pump inhibitor for gastric acid-related conditions.

- Promethazine (Promeran): An antihistamine that can also be used for nausea.

- KASCOAL: Typically used for gastrointestinal issues.

Given the complexity of your regimen, it's crucial to monitor for interactions, especially with medications that affect the central nervous system (like LEEYO, doxepin, Ativan, and Zolpidem). Combining these can increase sedation and the risk of respiratory depression.

2. Calcium and Probiotics Interactions
Regarding calcium supplements and probiotics:
- Calcium Supplements: Calcium can interfere with the absorption of certain medications, particularly those that require an acidic environment for optimal absorption (like some antibiotics and iron supplements). However, your current medications do not seem to have significant interactions with calcium.
- Probiotics: Generally, probiotics are well-tolerated and can be taken with most medications. They may even help mitigate some gastrointestinal side effects caused by antibiotics or other medications.


3. Timing of Calcium and Probiotics
To minimize any potential interactions and maximize absorption:
- Calcium: It is advisable to take calcium supplements at least 2 hours apart from medications that may interact with it. Since you are taking multiple medications throughout the day, you can take your calcium supplements at breakfast, lunch, and dinner, as you mentioned.
- Probiotics: Probiotics are best taken on an empty stomach, which can be either first thing in the morning or before bed. However, since you are taking multiple medications at bedtime, it may be best to take probiotics in the morning before breakfast.


4. Recommendations
1. Separate Timing: Take your calcium supplements at breakfast, lunch, and dinner, ensuring they are spaced out from your medications. For example, if you take your morning medications, wait at least 2 hours before taking calcium.

2. Probiotics Timing: Consider taking your probiotics in the morning on an empty stomach, which can help with absorption and efficacy.

3. Consult Your Healthcare Provider: Given the complexity of your medication regimen, it’s essential to regularly consult with your healthcare provider or pharmacist. They can provide personalized advice based on your specific health conditions and medication profile.

4. Monitor for Side Effects: Be vigilant about any new symptoms or side effects that may arise from your medication regimen, and report these to your healthcare provider.

In conclusion, while your current medications do not have significant interactions with calcium and probiotics, careful timing and monitoring are essential to ensure optimal effectiveness and safety. Always consult with your healthcare provider for tailored advice.

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