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  1. Home
  2. Medicine

  3. Naphcel 100mg Injection

Prescription drug
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Written By Bayyarapu Mahesh Kumar , M Pharmacy
Reviewed By Santoshini Reddy G , M Pharmacy

Composition :

DOXYCYCLINE-100MG

Consume Type :

PARENTERAL

Return Policy :

Not Returnable

Therapeutic Class

ANTIBIOTICS

Country of origin

India
Other Info - NA33725

Author Details

Bayyarapu Mahesh KumarDoctor badge

Written By

Bayyarapu Mahesh Kumar

M Pharmacy

Santoshini Reddy GDoctor badge

Reviewed By

Santoshini Reddy G

M Pharmacy

Last Updated

Jul 8, 2025 | 9:45 AM IST

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FAQs

Disclaimer

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Alcohol

Caution

It is not known if alcohol affects Naphcel 100mg Injection. Please consult your doctor if you have any concerns.

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Pregnancy

Unsafe

Naphcel 100mg Injection belongs to pregnancy category D. There are no adequate and well-controlled studies on the use of Naphcel 100mg Injection in pregnant women. In some cases, taking Naphcel 100mg Injection during pregnancy may affect tooth and bone development in the unborn baby. So, if you are pregnant or planning for pregnancy contact the doctor before using Naphcel 100mg Injection.

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Breast Feeding

Caution

Naphcel 100mg Injection is excreted in the breast milk. However, the extent of absorption of Naphcel 100mg Injection by the breastfed infant is not known. Hence, the nursing mother should consult the doctor before using Naphcel 100mg Injection.

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Driving

Caution

It is not known if Naphcel 100mg Injection affects your ability to drive. Drive or operate machinery only if you are alert.

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Liver

Caution

Naphcel 100mg Injection is to be taken with caution, especially if you have a history of liver diseases/conditions. The dose may have to be adjusted by your doctor.

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Kidney

Safe if prescribed

At the recommended doses, Naphcel 100mg Injection is safe to use in patients with kidney disease if prescribed by a doctor.

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Children

Caution

Use of Naphcel 100mg Injection during tooth development in infants and children below 8 years of age may cause permanent staining of teeth (yellow-grey-brown). So, it is not recommended for children below 8 years of age.

Product Substitutes

Reference

  1. https://www.medicines.org.uk/emc/files/pil.4063.pdf
  2. https://medlineplus.gov/druginfo/meds/a601141.html
  3. https://www.drugs.com/cdi/doxycycline-injection.html

About Naphcel 100mg Injection

Naphcel 100mg Injection belongs to a group of medications called tetracycline antibiotics used to treat bacterial infections such as urinary tract infections, intestinal infections, respiratory infections, eye infections, skin infections, sexually transmitted infections (gonorrhoea, syphilis), and gum infections (periodontitis). Besides this, Naphcel 100mg Injection may also be used to treat or prevent anthrax.

Naphcel 100mg Injection contains 'Doxycycline' which stops the growth of bacteria by preventing the synthesis of essential proteins necessary for their survival. Thereby, Naphcel 100mg Injection helps treat bacterial infections. It is a broad-spectrum antibiotic which is effective against both gram-negative and gram-positive bacteria.

Naphcel 100mg Injection will be administered by a healthcare professional; do not self-administer. In some cases, Naphcel 100mg Injection may cause pain, itching, swelling or redness at the site of injection, nausea, vomiting, or diarrhoea. Most of these side effects of Naphcel 100mg Injection do not require medical attention and gradually resolve over time. Please consult your doctor if these side effects become troublesome.

Do not take Naphcel 100mg Injection if you are allergic to any of the components. Consult your doctor if you are pregnant or breastfeeding. Use of Naphcel 100mg Injection during tooth development (last half of pregnancy, infancy, and in children below 8 years) may cause teeth staining (yellow-grey-brown). Keep your doctor informed about your health condition and medications to rule out any interactions/side effects.

Uses of Naphcel 100mg Injection

Bacterial infections

Medicinal Benefits Mweb

Medicinal Benefits

Naphcel 100mg Injection belongs to the class of medicines called tetracycline antibiotics which is effective against a wide range of bacteria, including gram-negative, gram-positive bacteria, anaerobes, and some parasites. It is used to treat respiratory tract infections (influenza, pneumonia), genitourinary infections (syphilis, gonorrhoea), anthrax infection, sinuses, eye, and skin infections. Besides this, it is also indicated in the tick-borne infections (typhus fever) caused by the Rickettsia group of bacteria like typhus fever. Off-label, usage includes the prevention of malaria and the treatment of acne.

Directions for Use

Naphcel 100mg Injection will be administered by a qualified healthcare professional. Kindly do not self-administer.

Side Effects of Naphcel 100mg Injection

  • Pain, itching, swelling or redness at the site of injection
  • Nausea
  • Vomiting
  • Diarrhoea

Drug Warnings

Do not take Naphcel 100mg Injection if you are allergic to any of its contents. Inform your doctor if you have lupus, or if you are pregnant or breastfeeding.  Use of Naphcel 100mg Injection during tooth development (last half of pregnancy, infancy, and in children below 8 years) may cause teeth staining (yellow-grey-brown). Consult your doctor if you experience any skin reactions, fever,  muscle, or joint problems.

Drug-Drug Interactions Checker List

  • ACITRETIN
  • ISOTRETINOIN
  • WARFARIN
  • DIGOXIN
  • PHENYTOIN
  • CARBAMAZEPINE
  • ALUMINIUM
  • CALCIUM
  • MAGNESIUM
  • BISMUTH SUBSALICYLATE

Habit Forming

No

Special Advise

  • Wear sunglasses and sunscreen when you go out in the sun as Naphcel 100mg Injection can make your skin sensitive to light.
  • Maintain a gap of 2 hours between Naphcel 100mg Injection and iron supplements and antacids as taking them together might affect the working of Naphcel 100mg Injection.
  • Naphcel 100mg Injection might affect certain lab tests, inform the person doing the tests that you are taking Naphcel 100mg Injection.

Diet & Lifestyle Advise

  • It would be best to take probiotics after completing the full course of Naphcel 100mg Injection to restore healthy bacteria in the intestine that may have been killed due to the usage of antibiotics. Taking probiotics after antibiotic treatment can reduce the risk of antibiotic-associated diarrhoea. Certain fermented foods like yogurt, cheese, sauerkraut and kimchi can help restore the intestine's good bacteria.
  • Include more fibre-enriched food in your diet, as it can be easily digested by gut bacteria which helps stimulate their growth. Whole-grain bread, and brown rice, should be included in your diet.
  • Avoid taking too much calcium enriched foods and drinks as it might affect the working of Naphcel 100mg Injection.
  • Avoid intake of alcoholic beverages with Naphcel 100mg Injection as it can make you dehydrated and affect your sleep. This can make it harder for your body to aid Naphcel 100mg Injection in fighting off infections.

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