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Cephalexin is a cephalosporin antibiotic for bacterial chest, skin and urinary infections, sold here as 500mg tablets and as Keflex tablets in 250mg and 500mg.
Cephalexin
500mg
Cephalexin 500mg tablets are a cephalosporin antibiotic for bacterial chest, skin and urinary tract infections, sold here in packs of 30 to 270 tablets.
Cephalexin is a cephalosporin antibiotic, from the same broad family as penicillin. It kills bacteria by breaking up the wall they build around themselves, so the cells fall apart rather than multiply. Chest infections, skin and soft tissue infections and urinary tract infections are what it is most often used for, and bone or joint infections caused by susceptible bacteria also respond to it. Colds, flu and other viral illnesses are not touched by it. A single dose is sometimes given before dental or throat surgery to people with a heart valve problem who cannot take penicillin.
Swallow a tablet with water. Food makes no difference, so it can go with a meal or between meals. A dose is taken every 6 or 12 hours and most courses run for 7 to 14 days, depending on the infection. Even spacing (morning and evening for the twice-daily version) keeps a steady amount in the body. Finish the whole course even when you feel better after a day or two; bacteria left behind can grow back and be harder to clear. If a dose slips your mind, take it when you remember, but when the next one is due soon, leave the missed dose and carry on as before. Never take two at once. Keep the tablets in their original blister or bottle, somewhere cool and dry, and out of children's reach.
Digestive complaints are the usual ones: nausea, loose stools or diarrhoea, heartburn, stomach pain, and sometimes vomiting. Headache, dizziness, tiredness, joint pain and itching around the back passage or genitals are also reported. Hives or a spreading rash, wheezing, trouble breathing or swallowing, or swelling around the face, throat, tongue, lips or eyes point to a severe allergic reaction and need emergency care. Watery or bloody stools with stomach cramps or a fever can begin during treatment or up to two months after the last tablet, and need urgent attention. A returning fever, sore throat or chills can mean the infection is not fully cleared. Hallucinations have been reported rarely.
generic Keflex covers 250mg and 500mg tablets, while Cephalexin tablets come as 500mg. Both are tablets of the same antibiotic, so the choice comes down to the strength that suits the course and the name you prefer. The medicine is also made as capsules and as a liquid for children, though these two listings are tablets. Both sit in the antibiotics section of the shop.
Cephalexin can be ordered online with delivery to Hong Kong. The page lists Cephalexin tablets in 500mg and the named version generic Keflex tablets in 250mg and 500mg. Tracked courier delivery takes 5 to 9 business days and includes online tracking.
Each of the two cephalexin products has its own price per pack, shown on its page in HKD or your selected currency; larger packs usually cost less per unit.
PockDose does not ask you to upload a prescription when you order cephalexin. See the ordering FAQ for details.
Keflex and Keftab are brand names of cephalexin, which is also sold as Ceporex, Keforal and Sporidex. Here, cephalexin can be bought online as generic Keflex and cephalexin tablets. These are generics, not the original brand.
Relief tends to arrive in the first few days of treatment. If symptoms are no better, or worse, after that point, the infection may not be one that cephalexin can treat: it works only on bacteria, and not every bacterium is susceptible to it.
Keflex is a brand name for cephalexin, so both contain the same antibiotic. The difference lies in the name on the pack; the Keflex listing also includes a 250mg tablet that the plain listing does not.
Cephalexin itself does not reduce how well the pill, patch, ring or injection works; only enzyme-inducing drugs such as rifampicin do that. Vomiting or heavy diarrhoea can still stop a pill being absorbed.
No. Cephalexin works only against bacteria. Pityriasis versicolor, the pale or discoloured patches that often show up on the chest and upper back, is a fungal infection and is treated with antifungal shampoo, cream or tablets.