Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of WCK 5107 Alone and in Combination With Cefepime

Inclusion Criteria: 1. Male or female, 18-55 years of age (both inclusive). 2. Have a body mass index of 18-30 kg/m2 (both inclusive) calculated as weight (kg)/height (m2). 3. Medical history without any major pathology/surgery in the last 6 months prior to screening. 4. Resting supine blood pressure of 90-139 (systolic)/40-89 (diastolic) mmHg and a resting pulse rate of 40-100 beats per minute. 5. Calculated creatinine clearance ≥80 mL/min 6. Computerized 12-lead ECG recording without signs of clinically significant pathology and showing no clinically significant deviation as judged by the Principal Investigator. 7. Males willing to use double-barrier contraceptive measures and to not donate sperm until 90 days after the follow-up visit. 8. Females should not be pregnant or breast feeding (pregnancy will be confirmed by a urine pregnancy test at screening with confirmation by a serum pregnancy test at admission) or of non-childbearing potential at screening. 9. Females must be either post-menopausal for at least 1 year, surgically sterile (bilateral oophorectomy or hysterectomy), or practicing 1 of the acceptable methods of birth control. Exclusion Criteria: 1. History/evidence of clinically relevant pathology. 2. History of clinically significant food or drug allergy, including known hypersensitivity to cefepime or any other related drugs. 3. A positive screen result for drugs of abuse/alcohol at admission to the study center. 4. Use of prescription medications (with the exception of oral contraceptives and hormone replacement therapy) including nonsteroidal anti-inflammatory drugs or sucralfate or herbal preparations. 5. Positive screen result for hepatitis B, hepatitis C, or human immunodeficiency virus at screening. 6. Any strenuous activity within 4 days prior to admission to the study center. Strenuous being defined as any hard labor or exercise outside of a subject's usual behavior. 7. History of blood donation of more than 500 mL in the last 2 months prior to screening. 8. Current use or has used tobacco- or nicotine-containing products.