Group I (experimental): Homeostec (5 ml) + Paracetamol (500 mg). The patient will receive 5 ml de Homeostec intravenously (electrolyzed solution with neutro ph) diluted in 20 ml of salt solution (NaCl) al 0.9%, in slow infusion, to pass in 10 minutes. The patient will be monitored, in hospital bed for 6 hours. If the patient has no adverse effects, the procedure will be repeated at 24 and 48 hours. Also, the patients can take Paracetamol 500mg by oral route every 8 hours in case of pain for their illness. Group II (experimental): Homeostec (10 ml) + Paracetamol (500 mg)). The patient will receive 10 ml de Homeostec intravenously (electrolyzed solution with neutro ph) diluted in 40 ml of salt solution (NaCl) al 0.9%, in slow infusion, to pass in 10 minutes. The patient will be monitored, in hospital bed for 6 hours. If the patient has no adverse effects, the procedure will be repeated at 24 and 48 hours. Also, the patients can take Paracetamol 500mg by oral route every 8 hours in case of pain for their illness. Group III (experimental): Homeostec (20 ml) + Paracetamol (500 mg)). The patient will receive 20 ml de Homeostec intravenously (electrolyzed solution with neutro ph) diluted in 80 ml of salt solution (NaCl) al 0.9%, in slow infusion, to pass in 10 minutes. The patient will be monitored, in hospital bed for 6 hours. If the patient has no adverse effects, the procedure will be repeated at 24 and 48 hours. Also, the patients can take Paracetamol 500mg by oral route every 8 hours in case of pain for their illness. Group IV (Control): Paracetamol (500 mg). The patients will receive 500mg of Paracetamol every 8 hours by oral route if they have pain and, they will be managed by your family physician.