> Western Medicines > Moxifloxacin


Used for: Bacterial conjunctivitis
Chinese name:

What is Moxifloxacin for?

Moxifloxacin belongs to a class of medications called fluoroquinolone antibiotics. It kills bacteria by inhibiting DNA replications. Oral Moxifloxacin is used to treat bacterial infections including pneumonia, and infections of the respiratory tract, skin, and abdomen. Moxifloxacin can also treat eye infections. Moxifloxacin does not work for virus or fungus infections.

How to use it?

Moxifloxacin is available as tablets and capsules, which are taken by mouth. Oral Moxifloxacin can be taken with or without food. It is also available as eye drops which are applied topically to the affected area. Wash your hands before and after applying eye drops.


Infusion: 400 mg once daily for 10-14 days.


Eye infections
Eye drops: Apply 3 times a day. Continue treatment for 2-3 days after infection improves.


Acute bacterial exacerbation of chronic bronchitis
Oral: 400 mg once daily for 5-10 days.


Oral: 400 mg once daily for 7 days.


Skin and skin structure infections
Infusion: 400 mg once daily for 7-21 days.


Community acquired pneumonia
400 mg once daily for 7-14 days.

What are the side effects of Moxifloxacin?

Common side effects of Moxifloxacin include diarrhea, eye discomfort, fungal infection, dizziness, headache, nausea and vomiting, visual and taste alterations, and allergic skin reactions.

Who should not take Moxifloxacin?

  • People allergic to Moxifloxacin or any component of the formulation.
  • Anyone who is allergic to quinolone antibiotics.
  • Patients with a history of tendon disorders.
  • Patients who have heart disease and patients who are currently taking heart medications.

Pharmacist Tips:

  • You must complete the entire course of this antibiotic, or else, the infection will not be properly controlled.
  • Take Moxifloxacin 4 hours before or 8 hours after taking minerals, such as Aluminium, Calcium, Iron, Magnesium and Zinc, and products containing these minerals, since these may bind with Quinolones in the gastrointestinal tract.
  • This medication can make you dizzy. Avoid driving or operating machinery until you know how you respond to Rifaximin.
  • Avoid excessive exposure to sunlight or artificial UV lights and use protective measures, such as sunscreen and wearing loose-fitting clothes.

Common dosing schedule:
Moxifloxacin can be taken with or without food.


This schedule is for reference only, adjustments may be made according to individual needs.


Some common medications Moxifloxacin may interact with:

  • Antiarrhythmics
  • Diuretics
  • Minerals including Magnesium, Calcium, Aluminum, Zinc and Iron
  • Warfarin

Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Moxifloxacin in Hong Kong?

In Hong Kong, Moxifloxacin is a prescription only medicine, and requires a prescription from a doctor to be purchased in a pharmacy. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.


For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at https://www.drugoffice.gov.hk

Need more information?

For detailed information about the use of Moxifloxacin in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.

Brands in Hong Kong
Available dosage
  • 400mg/250ml (Injections)
  • 0.5% (Eye Drops)
  • 400mg (Tablets)
Drug class
Sub class
Other drugs in same class
Used for: Outer ear infections, Traveller’s diarrhea, Acute bacterial exacerbation of chronic bronchitis (ABECB), Otitis media, Skin and soft tissue infections, Pneumonia, Corneal ulcer, Prostatitis, Urinary tract infections (UTIs), Respiratory tract infections, Bacterial conjunctivitis
Chinese name:
Used for: Bacterial eye infections, Other respiratory tract infections, Other bacterial infections, Outer ear infections, Pneumonia, Urinary tract infections (UTIs)
Chinese name:
Used for: Bacterial eye infections
Chinese name:
Used for: Otitis media
Chinese name:
Used for: Pneumonia, Other respiratory tract infections, Other bacterial infections, Bacterial eye infections, Urinary tract infections (UTIs), Outer ear infections