Composition Progesterone (Natural Micronized) (400mg)
Rx Prescription Required
Pack strip of 10 tablet sr
Storage Store below 30ยฐC
Chemical Class Progesterone Derivative
Action Class Natural Progesterone
Habbit Forming
Manufacturer Cadila Pharmaceuticals Ltd
Manufacturer address Sarkhej-Dholka Road, Bhat, Ahmedabad-382 210, INDIA.

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.
Basic Info
Description
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.
Uses
Treatment of Female infertility
Hormone replacement therapy
How 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.
MOA
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.
What If
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.
Drug 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.
Faqs
Q. What is Algest 400mg Tablet SR?
Algest 400mg Tablet SR is a type of progesterone hormone which is extracted from plants, but its properties match those of human progesterone. This medicine undergoes a process called micronization, where the size of the natural progesterone is reduced. The small size of the progesterone particles enhances its dissolution and absorption. This provides better availability of Algest 400mg Tablet SR in the body and decreases its side effects.
Q. What is Algest 400mg Tablet SR used to treat?
Algest 400mg Tablet SR is used to treat various disorders. It is given to women with secondary amenorrhea (no menstruation for 3 months in women who have had their menses before). It is used to support pregnancy, prevent premature labor, and treat bleeding disorders that may occur before menopause. It may be used as a part of fertility treatment and may be given as hormone replacement therapy after menopause. It is also given to relieve symptoms of premenstrual syndrome and painful bleeding, like in dysfunctional uterine bleeding.
Q. Can you take Algest 400mg Tablet SR every day?
Yes, Algest 400mg Tablet SR can be taken every day. It is usually prescribed to be taken once daily in the evening or at bedtime. The usual duration of prescription may vary from 10-12 days a month to 25 days a month. However, the number of days for which you will need to take this medicine in each cycle will be suggested by your doctor, depending on your health condition.
Q. Does Algest 400mg Tablet SR cause weight gain?
Yes, taking Algest 400mg Tablet SR may cause weight gain. The weight gain may be due to water retention and may not be a serious sign. However, contact your doctor in case your weight gain is worrying you. The risk of weight gain is generally less if Algest 400mg Tablet SR is taken with estrogen as a combined pill. But, do not start any hormonal therapy without consulting your doctor.
Q. How is progesterone beneficial for fertility and pregnancy?
Progesterone is a very crucial hormone in fertility. It is the hormone secreted by the ovaries that helps prepare the uterus for pregnancy and maintain it. Algest 400mg Tablet SR (natural micronized form of progesterone) is given as a medicine in cases of infertility to support the uterus in preparing itself for the pregnancy and to prevent abortions in some cases. It is also used to prevent premature labor.
Benifits
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.
Side Effects
Vomiting
Vaginal yeast infection
Abdominal pain
Nausea
Abnormal vaginal bleeding
Edema (swelling)
Headache
Breast pain
Bloating
Safety Profile
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.
Refferences
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 (LactMedยฎ) [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

