Algest 400mg Tablet SR
Algest 400mg Tablet SR is a natural female sex hormone, progesterone. It is used to treat menstrual and pregnancy-related issues that are caused by hormonal imbalance.
Algest 400mg Tablet SR
Basic Information
Important information about this medicine
About This Medicine
General information about this product
Algest 400mg Tablet SR is a natural female sex hormone, progesterone. It is used to treat menstrual and pregnancy-related issues that are caused by hormonal imbalance.
Algest 400mg Tablet SR is a natural female sex hormone, progesterone. It is used to treat menstrual and pregnancy-related issues that are caused by hormonal imbalance.
Algest 400mg Tablet SR is also prescribed, along with estrogen, as a part of hormonal replacement therapy for preventing endometrial hyperplasia (thickening of the lining of the uterus). It should be taken with food. It should be taken at the same time each day to get the most benefit. You should continue taking it for as long as your doctor has told you to, even if you feel well.
The most common side effects include headache, breast pain, irregular vaginal bleeding or spotting, stomach or abdominal cramps, bloating, nausea and vomiting, hair loss, edema, and vaginal yeast infection. Side effects are more common during the first few weeks and usually lessen as your body gets used to the medicine. You may also experience bleeding or spotting between your periods; consult with your doctor if it happens frequently.
Before taking this medicine, inform your doctor if you have, or have had, breast cancer, unusual bleeding in the vagina, or liver disease. You will probably have several tests both before and during treatment to check your womb. Also, tell your doctor what other medicines you are taking, as some may affect, or be affected by, this medicine. In general, it is advisable to avoid alcohol and smoking.
03Uses
Treatment of Female infertility
Hormone replacement therapy
04How To Use
Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Algest 400mg Tablet SR is to be taken with food.
05How It Works
Algest 400mg Tablet SR is a progesterone (female hormone). It helps to establish and maintain pregnancy. It also prevents the increase in thickness of the endometrium (lining of the uterus) caused by estrogen.
06What If You Miss A Dose?
Q: What if you forget to take Algest Tablet SR?
A: If you miss a dose of Algest 400mg Tablet SR, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.
07Benefits
In Treatment of Female infertility
Algest 400mg Tablet SR contains progesterone, a female hormone that is important in the regulation of ovulation and menstruation. It is used to cause menstrual periods in women who have not reached menopause but are not having periods due to a lack of natural progesterone in the body. This medicine helps to prepare the uterus for pregnancy by causing the uterus lining (endometrium) to thicken. This increases the chance of a successful pregnancy. You should use the medicine as prescribed for it to be effective. You may be asked to continue with this treatment for a period after becoming pregnant.
08Side Effects
Vomiting
Vaginal yeast infection
Abdominal pain
Nausea
Abnormal vaginal bleeding
Edema (swelling)
Headache
Breast pain
Bloating
09Safety Information
Alcohol:CAUTION
Caution is advised when consuming alcohol with Algest 400mg Tablet SR. Please consult your doctor.
Pregnancy:SAFE IF PRESCRIBED
Algest 400mg Tablet SR is safe to use during pregnancy. Most studies have shown low or no risk to the developing baby.
Breast feeding:SAFE IF PRESCRIBED
Algest 400mg Tablet SR is safe to use during breastfeeding. Human studies suggest that the drug does not pass into the breastmilk in a significant amount and is not harmful to the baby.
Driving:UNSAFE
Algest 400mg Tablet SR may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney:CONSULT YOUR DOCTOR
There is limited information available on the use of Algest 400mg Tablet SR in patients with kidney disease. Please consult your doctor.
Liver:CONSULT YOUR DOCTOR
There is limited information available on the use of Algest 400mg Tablet SR in patients with liver disease. Please consult your doctor.
10Drug Tips
Algest 400mg Tablet SR may also be used in the treatment of problems related to the menstrual period, such as amenorrhea (absence of periods).
It also helps in the maintenance of pregnancy in women who are at higher risk of miscarriage.
It should be taken with food.
It may cause sleepiness or drowsiness. If this happens to you, do not drive or use machinery.
References
Sources and references
Chrousos GP. The Gonadal Hormones & Inhibitors. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. pp. 706-707.
Progesterone. London, UK: Besins Healthcare (UK) Ltd.; 2003 [revised 14 Jul. 2017]. [Accessed 22 Jan. 2019. (online) Available from: View
Apgar S, Greenberg G. Using Progestins in Clinical Practice. Am Fam Physician. 2000;62(8):1839-46. [Accessed 03 Apr. 2019] (online) Available from: View
Drugs and Lactation Database (LactMed®) [Internet]. Bethesda (MD): National Institute of Child Health and Human Development; 2006. Progesterone. [Updated 2022 May 15]. [Accessed 05 Aug. 2023] (online) Available from: View
Progesterone [Summary of Product Characteristics]. Avenue Louise, Belgium: Besins Healthcare (UK) Ltd.; 2016. [Accessed 02 Apr. 2025. (online) Available from: View
