
Laretol 1mcg Injection
Written By Dr. Anuj Saini, MMST, MBBS
Reviewed By Dr. Ashish Ranjan, MD (Pharmacology), MBBS
Last updated on 12 Nov 2024 | 01:07 AM (IST)
Laretol 1mcg Injection is the active form of vitamin D. It increases the levels of vitamin D in your blood which in turn raises calcium levels in the blood by helping in absorption of more calcium from your intestine. Thus, it is used in the treatment of calcium deficiency and postmenopausal osteoporosis.
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Product introduction
Laretol 1mcg Injection is given in women after menopause to strengthen weak bones. It helps in reducing bone damage. It is administered as an injection. It is advised not to self-administer the injection, it should be done by a healthcare professional.
Do not take any other form of vitamin D along with this medicine without consulting your doctor. Drink plenty of fluids such as water to avoid feeling dehydrated. Avoid using antacids as it can cause difficulty for the medicine to absorb.
Use of this medicine may cause reactions such as redness, pain, or swelling at the site of injection. Let your doctor know if you are bothered by it. In patients with kidney disease, dose adjustment may be required. Consult with your doctor. Try to avoid consumption of alcohol while on treatment with this medicine.
Do not take any other form of vitamin D along with this medicine without consulting your doctor. Drink plenty of fluids such as water to avoid feeling dehydrated. Avoid using antacids as it can cause difficulty for the medicine to absorb.
Use of this medicine may cause reactions such as redness, pain, or swelling at the site of injection. Let your doctor know if you are bothered by it. In patients with kidney disease, dose adjustment may be required. Consult with your doctor. Try to avoid consumption of alcohol while on treatment with this medicine.
Uses of Laretol Injection
- Post menopausal osteoporosis
- Calcium deficiency
Side effects of Laretol Injection
Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Laretol
- Headache
- Injection site reactions (pain, swelling, redness)
- Nausea
- Abdominal pain
- Increased calcium level in blood
- Rash
- Urinary tract infection
- Itching
- Erythema (skin redness)
How to use Laretol Injection
Your doctor or nurse will give you this medicine. Kindly do not self administer.
How Laretol Injection works
Laretol 1mcg Injection is the active form of Vitamin D. It raises Vitamin D levels in your blood. This in turn raises calcium levels in your blood by helping you absorb more calcium from your intestine.
All substitutes for Laretol 1mcg Injection
For information purposes only. Consult a doctor before taking any medicine.
Quick tips
- Laretol 1mcg Injection is used to treat calcium deficiency.Â
- Let your doctor know if you are taking any other calcium or vitamin D supplements.
- It is advisable to Laretol 1mcg Injection with food or a glass of milk to increase its absorption in the body.
- Avoid using antacids without your doctor's advice. Some antacids can make it harder for your body to absorb Laretol 1mcg Injection.
- You can also include calcium-rich food in your diet like milk, cheese, and other dairy food, green leafy vegetables like spinach.Â
Safety advice

Alcohol
CAUTION
Caution is advised when consuming alcohol with Laretol 1mcg Injection. Please consult your doctor.

Pregnancy
CONSULT YOUR DOCTOR
Laretol 1mcg Injection may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.

Breast feeding
SAFE IF PRESCRIBED
Laretol 1mcg Injection 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
SAFE
Laretol 1mcg Injection does not usually affect your ability to drive.

Kidney
CAUTION
Laretol 1mcg Injection should be used with caution in patients with severe kidney disease. Dose adjustment of Laretol 1mcg Injection may be needed. Please consult your doctor.
However, regular monitoring of phosphate levels may be advised while you are taking this medicine.
However, regular monitoring of phosphate levels may be advised while you are taking this medicine.

Liver
SAFE IF PRESCRIBED
Laretol 1mcg Injection is safe to use in patients with liver disease. No dose adjustment of Laretol 1mcg Injection is recommended.
Frequently asked questions
Laretol 1mcg Injection should be administered under the supervision of a trained healthcare professional or a doctor only and should not be self-administered. The dose will depend on the condition you are being treated for and will be decided by your doctor. Follow your doctor’s instructions carefully to get maximum benefit from Laretol 1mcg Injection.
Laretol 1mcg Injection is the active form of Vitamin D. It increases the levels of Vitamin D in your blood which helps to increase calcium levels in the blood by increasing the absorption rate of calcium from your intestine. Thus, it is used in the treatment of calcium deficiency and postmenopausal osteoporosis.
Laretol 1mcg Injection is effective if used in the dose and duration advised by your doctor. Do not stop taking it even if you see improvement in your condition. If you stop using Laretol 1mcg Injection too early, the symptoms may return or worsen.
Laretol 1mcg Injection should be taken in the dose and duration advised by your doctor. It can be taken with or without food. However, it would be best to take it at the same time each day to avoid the chances of missing a dose.
If you forget a dose of Laretol 1mcg Injection, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take the next scheduled dose in the prescribed time. Do not double the dose to make up for the missed one as this may increase the chances of developing side effects.
Laretol 1mcg Injection is safe if used in the dose and duration advised by your doctor. Take it exactly as directed and do not skip any dose. Follow your doctor's instructions carefully and let your doctor know if any of the side effects bother you.
Fact Box
Chemical Class
Vitamin D Derivative
Habit Forming
No
Therapeutic Class
VITAMINS MINERALS NUTRIENTS
Action Class
Vitamins
Related lab tests
References
- Calcitriol. Lake Forest, Illinois: Hospira, Inc.; 2012. [Accessed 05 Apr. 2019] (online) Available from:
- ScienceDirect. Calcitriol. [Accessed 05 Apr. 2019] (online) Available from:
- Central Drugs Standard Control Organisation (CDSCO). [Accessed 03 Apr. 2019] (online) Available from:
- Drugs and Lactation Database (LactMed®) [Internet]. Bethesda (MD): National Institute of Child Health and Human Development; 2006. Calcitriol. [Accessed 16 Jun. 2023] (online) Available from:
- Laretol Injection [Drug Label]. Ahmedabad, Gujarat: La Renon Healthcare Pvt. Ltd.; 2017. [Accessed 16 Jun. 2023] (online) Available from:
- LiverTox: Clinical and Research Information on Drug-Induced Liver Injury [Internet]. Bethesda (MD): National Institute of Diabetes and Digestive and Kidney Diseases; 2012. Vitamin D. [Accessed 16 Jun. 2023] (online) Available from:
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Marketer details
Name: La Renon Healthcare Pvt Ltd
Address: Behind Rajpath Club, Kensville Road, Opp. Infostretch Building, Off S.G. Highway, Ahmedabad- 380059, Gujarat- India
Address: Behind Rajpath Club, Kensville Road, Opp. Infostretch Building, Off S.G. Highway, Ahmedabad- 380059, Gujarat- India
Vendor Details
Country of origin: India
Lab tests offered by us
- CBC (Complete Blood Count)
- FBS (Fasting Blood Sugar)
- Thyroid Profile Total (T3, T4 & TSH)
- HbA1c (Glycosylated Hemoglobin)
- Glucose - Postprandial
- Lipid Profile
- Vitamin D (25-Hydroxy)
- Urine R/M (Urine Routine & Microscopy)
- Coronavirus Covid-19 Test (RT-PCR technique)
- LFT (Liver Function Test)
- Kidney Function Test
- TSH (Thyroid Stimulating Hormone) Ultrasensitive
- ESR (Erythrocyte Sedimentation Rate)
- Uric Acid
- Vitamin B12
- C- Reactive Protein Quantitative
- Urine Culture and Sensitivity
- Serum Electrolyte
- Serum Calcium
- Creatinine
- Diabetes Screening
- KFT with Electrolytes (Kidney Function Test with Electrolytes)
- Cholesterol - Total
- Hemoglobin
- Complete Haemogram
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